Answer:
x = 4
Step-by-step explanation:
5x - 7 = 13
5x = 13 + 7
5x = 20
x = 20/5
x = 4
Answer:
B. 100
Step-by-step explanation:
(m + n)^2
= m^2 + 2mn + n^2
Rearrange
(m^2 + n^2) + 2mn
Substitute
(68) + 2*16
= 68 + 32
= 100
There are 16 on each layer and 96 in total
She will save $45 dollars a week the working is
150÷10
=15
30%=15×3
$45
Answer:
0.07894. . .
Step-by-step explanation: