5х + 4 y = -4 graphing functions

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?

A. what is the area of the base? use complete sentences to explain your reasoning. b. what is the volume of the prism? use complete sentences to explain your reasoning.