Please help!
Find a missing power in the following calculation
19^4/9 •19^?=19

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.

For the feasibility region shown below find the maximum value of the function p=3x+2y