Answer:
3
Step-by-step explanation:
We know x = -2, so we can substitute -2 in for x
3x^2- 9
3*-2^2-9
Solve the exponent first (PEMDAS)
3*4-9
Multiply next
12-9
Subtract
3
Answer:
b>5
=greater than or equal too
Step-by-step explanation:
divide -35 by -5, and since you are dividing by a negative, the sign flips
Problem A,B,C, and D can be solved using 3*6=18 or 6*3=18
Answer:
0.50 or 50%
Step-by-step explanation:
40 x 125 = X
1.25 as a decimal or 125%
40 x 1.25 = 0.50
0.50 --->50%
40 x 125% = 50%