what is the Ka of a 0.0592 M solution of hydrofluoric acid (HF) with a pH of 6.90

Castel and Chelsea are selling pies for a school fundraiser. Customers can buy cherry pies and lemon meringue pies. Castel sold 1 cherry pie and 5 lemon meringue pies for a total of $69. Chelsea sold 5 cherry pies and 7 lemon meringue pies for a total of $129. Find the cost each of one cherry pie and one lemon meringue pie. A company that cleans carpets charges its customers a fixed amount for supplies plus anadditional amount per hour of cleaning. The graph models the linear relationship between thetotal amount charged and the number of hours of cleaning. differentiate the celebration of christmas in london and in the philippines in times of rizal. Spanish help please! 10 pointsFill in the blanks with the right form of the verb. PLEASE ANSWERWhat is one reason why housing, like the one pictured abovein the 1970s, expanded?A. the government forcibly relocated indigenous populations from rural areasB. Migrants from rural areas could not afford to settle in city centersC. the government was not able to provide utilities to urban areas D. regional conflicts resulted in the establishment of large refugee camps Guided PracticeWrite an equation of the direct variation that includes the point (8, 10).A.y= 4/5xB.y= 5/4xC.y= 5/4x Carlos cut StartFraction 5 Over 12 EndFraction of a yard of cloth into 5 pieces of equal length. What was the length of each piece of cloth? _____was made responsible for starting World War I and had to pay reparations An effect analogous to two-slit interference can occur with sound waves, instead of light. In an open field, two speakers placed 1.19 m apart are powered by the same function generator producing sine waves at 1,163 Hz frequency. Assume that the speed of sound is 340 m/s. A student walks along a line 12.5 m away and parallel to the line from one speaker to the other speakers. She hears an alternating pattern of loud and quiet, due to constructive and destructive interference. What is the distance between the central maximum and the first maximum (loud) position along this line in m How did the Scientific Revolution cause Europeans to examine the role of government in their lives? 4 pointsBonus Army is a group of WWI veterans that demanded their bonuspayments early *TrueFalse Please only answer if you're 100% sure it's correct. Thank you. (It's pretty easy.) dlaczego emaliowane garnki rdzewiej w miejscach uszkodzenia emalii Can anyone help me ? Solve using substitution x=-6 6x+10y=14 What is the volume of this square pyramid? Imagine Eysenck's original two factors represented in 2-dimensional space. On the y-axis (vertical) is insecurity at the top and security at the bottom. On the x-axis, is the second factor, with introversion on the left and extroversion on the right. The two axes bisect such that there are 4 quadrants. Using this representation, an examinee who is outgoing, friendly, and comfortable in her own skin would be placed in which quadrant? If a husband be unworthy, then he possesses nothing by which to control his wife. If a wife be unworthy, then she possesses nothing with which to serve her husband. If a husband does not control his wife, then the rules of conduct manifesting his authority are abandoned and broken. If a wife does not serve her husband, then the proper relationship between men and women and the natural order of things are neglected and destroyed." -- Ban Zhao, Lessons for my Daughters, p. 60What does the quotation mean? And how can we interpret this quote in our lives? how was President Theodore Roosevelt Straight-Line Depreciation A building acquired at the beginning of the year at a cost of $2,200,000 has an estimated residual value of $400,000 and an estimated useful life of 20 years. Determine the following: (a) The depreciable cost $fill in the blank 1 (b) The straight-line rate fill in the blank 2 % (c) The annual straight-line depreciation $fill in the blank 3