20 hope this helps please give brainliest
2
−
8
=
7
n
2
−
8
=
7
n
n2−8=7n
2
−
8
−
(
7
)
=
0
Answer:
$21 sales tax is $1
Step-by-step explanation:
Explanation is in photo
Answer:
f(3) = 24
Step-by-step explanation:
substitute X for 3.
F(3) = 3 * (2) ^3
= 24
I think it's true but I'm not 100% sure