Answer:
-5
Step-by-step explanation:
(+5) × (-1) can also be written as (-1) + (-1) + (-1) +(-1) +(-1) which is -5
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:
89
Step-by-step explanation:
we evaluate when t=2
so it's 89 feet