19. The temperature dropped 2°F every hour for the last 6 hours. What is the total change temperature? Write a multiplication expression. Then find and interpret the product. (Show the expression and show your steps to the final answers)

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83