Answer:
7^4
7 to the fourth power
7 ·7·7·7
Step-by-step explanation:
Because 7 to the fourth power is 7^4 and that equals 7·7·7·7
Answer:B
Step-by-step explanation:100% correct
Answer:
20m^2
Step-by-step explanation:
multiply the side lengths
Linear, because the graph of the line is just a straight line without any curves, and the power of x is 1. If x was raised to the second, third, fourth, etc. power, it would be a nonlinear equation.
Answer:
4x^2 + 21x - 18
Step-by-step explanation:
(9x^2+24x-8)-(5x^2+3x+10)
9x^2+24x-8-5x^2-3x-10
9x^2 - 5x^2 = 4x^2
24x - 3x = 21x
-8 - 10 = -18
Answer: 4x^2 + 21x - 18