How far away is a thunderstorm if it takes 3 seconds for sound to be heard? The air temperature is 23 degrees Celsius .

solve: log3(x)+log3(x-2)=log3(x+10) 7. A certain hydrocarbon, CxHy, is burned (reacts with O2 gas) and produces 1.955 g of CO2 for every1.000 g of H20. What is the empirical formula of this hydrocarbon?CxHy + (X + y/4) O2 -> xCO2 + y/2 H2O Which of the following is a painting style?A. pinceauB. gommeC. nature morteD. peintures aquarelles 4. The school store offers a discount forpurchases made during lunchtime. The usualprice of pencils is $0.25. The discount price is$0.20. How much can you save by buying 6pencils during lunchtime? 1. Jason rented a canoe for $6 per hour plus a$15 fee. He was out on the lake for 3 hours.How much did he pay for the canoe rental? If the maximum of a data set is 50 and the minimum of the set is 10, what is the range? Slow cooling of magma leads to the formation of large crystals, such as halite and calcite.Select the correct response:TrueFalse What single percentage change is equivalent to a 11% decrease followed by a 13% decrease? if u mess around and dont give me answers i reporting:) Select all shapes that have a volume of 36pi cubic units. (see attached picture) RealTurf is considering purchasing an automatic sprinkler system for its sod farm by borrowing the entire $50,000 purchase price. The loan would be repaid with four equal annual payments at an interest rate of 12%/year. It is anticipated that the sprinkler system would be used for 9 years and then sold for a salvage value of $5,000. Annual operating and maintenance expenses for the system over the 9-year life are estimated to be $10,500 per year. If the new system is purchased, cost savings of $20,500 per year will be realized over the present manual watering system. RealTurf uses a MARR of 15%/year for economic decision making.What is the internal rate of return used to reach your decision? Discounting Cash Flows and Earnings. Under the residual income approach and the discounted cash flow approach to firm valuation, carnings and cash flows, respectively, are discounted using a firm's cost of equity. Discuss why the cost of equity is the appropriate discount rate to use to discount a firm's camings and cash flows. Why is the cost of debt inappropriate to use to discount a firm's earnings or cash flows BRAINLIST!!!A construction crew built 7 1/2 miles of road in 3 1/8 days.What is the unit rate in miles per day?Write your answer as a fraction or a mixed number in simplest form. Help PLEASE it was due yesterday and btw it's KA but please help me because I have so much more what is the probability for a child to inherit one of two alleles from her dad??a:100%b: 50%c: 0% d: impossible to know The volume of a sphere is 5000x m . What is the surface area of the sphere to the nearestsquare meter? A cylinder has a base diameter of 10cm and a height of 7cm. What is its volume in cubic cm, to the nearest tenths place? differentiate the celebration of christmas in london and in the philippines in times of rizal. 7. The diagram shows a mercury manometer used to measure the pressure of gas in a container.Atmospheric pressure is 76 cm of mercury.gasmercury20cm12 cmWhat is the pressure of the gas?56 cm of mercury68 cm of mercuryC84 cm of mercury96 cm of mercury What is the maximum percentage of net spendable income that should be set aside for housing? (Its not 38)A.25%B.36%C.38%D.28% President Lyndon B. Johnson (LBJ) helped to achieve more equal rightsby...O...introducing Affirmative Action and Head Start Programs.O ...writing the Brown V Board of Education ruling of 1954.O ...introducing legislation to provide federal funding to the NAACP.O ...proposing the 26th Amendment to lower the voting age to 18.