Jose had 20 dollars. spending 1/8 of your money at lunch and 2/5 at the cinema how much money does she have left?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ab=9, and ac=12, find hc.

Solve the inequality, then identify the graph of the solution. 2x – 1 > x + 2

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