Pls...Help guys I gat no idea what the answer is..thank you

Which function families have maximums and minimums? 1.)linear absolute value functions and exponential functions 2.) linear absolute value functions and quadratic functions 3.) linear absolute value functions and linear functions 4.) linear absolute value functions and constant functions

Empty box + box + empty box fill in the box is equal to 30 how

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2