(ans. fast) evaluate a/b for a = 4/5 and b = -9/2. a. 18/5 b. -10/9 c. -18/5 d. -8/45

What is the answer to |-2x-5|-|-4+8| and x=7

Part a : solve - vp + 40 < 65 for v . part b : solve 7w - 3r = 15 for r show your work!

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1