help with german pls

a=3 and b=4b/2 2 + (a2 - 1) Find the exact value by using a half-angle identity. cosine of pi divided by twelve Given that [Image Display]What is the domain of the function f ?a.only positive integersc.only negative integersb.All non zero real numbers.d.All real numbers including zero 11. Write the equation of the line in slope-intercept form that is parallel to the line y = - 4x + 2 andpasses through (2-4) (Q) How much, in grams, do 8.85 x 1024 atoms of zinc weigh?A. 3.49 x 1049 gB. 961 gC. 4.45 gD.5.33 x 1047 gE. 1.47 g Humans can see the star Polaris from Earth. It appears to move during different times of the year. Explain why Polaris appears to move. On December 2, Coley Corp. reacquired 1,000 shares of its $2 par value common stock for $27 each. On December 20, Coley Corp. reissued 400 shares for $15 each. Which of the following is correct regarding the journal entry for the reissued shares?a. Debit Cash $15,000. b. Credit Treasury Stock $10,800. c. Credit Paid in Capital - Treasury Stock $5,200. d. Credit Treasury Stock $6,000. Structuring a Special-Order Problem Harrison Ford Company has been approached by a new customer with an offer to purchase 10,000 units of its model IJ5 at a price of $5 each. The new customer is geographically separated from the company's other customers, and existing sales would not be affected. Harrison normally produces 75,000 units of IJ5 per year but only plans to produce and sell 60,000 in the coming year. The normal sales price is $12 per unit. Unit cost information for the normal level of activity is as follows: Direct materials $1.75 Direct labor 2.50 Variable overhead 1.50 Fixed overhead 3.25 Total $9.00 Fixed overhead will not be affected by whether or not the special order is accepted.Direct Materials $1.75Direct Labor 2.50Variable Overhead 1.50Fixed Overhead 3.25Total $9.00Requried:a. What are the relevant costs and benefits of the two alternatives (accept or reject the special order)?b. By how much will operating income increase or decrease if the order is accepted? A body oscillates with 25hz what is its time period Which of the following can affect how quickly pollutants move away from an area? In 1905 Japan forced Russia to a jacket originally sold for $45. this week it went on sale for 20% off. what is the discount and what is the sales price? What is the value of $x$ if $-\frac23(x-5) = \frac32(x+1)$? A total of $5900 is invested, part at 11% simple interest and part at 7%. If the total annual return from the two investments is $ 537.00, how much is invested at each rate?How much was invested at 11% ? $____ this is math can someone help pls a floppy disk can store 1440000 bytes of data. write the number 1440000 in standard form........ i would be grateful if u can help Diego paid $47 for 3 tickets to a concert. Andre paid $141 for 9 tickets to a concert. Did they pay at the same rate? (5.3a0.8)(1.64.7a)=2a(a0.3) En la electrlisis del Cloruro de plomo se han depositado 2.6 gramos del metal en 20 minutos el peso atmico del plomo es 206 calculo la intensidad de la corriente elctrica empleada AYUDENNNNN PLISSSS es para hoy!!!!! Kinetic energy and gravitational potential energy are both forms of which typeof energy?A. Internal energyB. Mechanical energyC. Potential energyD. Thermal energy Find the slope of the line. m =