A to the 3rd +c to the 2nd - 3b if a=-4 b=6 and c=-9

D

Step-by-step explanation:

To evaluate an algebraic expression, you have to substitute a number for each variable and perform the arithmetic operations. In the example above, the variable x is equal to 6 since 6 + 6 = 12. If we know the value of our variables, we can replace the variables with their values and then evaluate the expression.

y -5 = (-1/4)(x + 8)

step-by-step explanation: