5x - 3x + 4 = -4 +20
2x + 4 + 16
subtract 4 from each side
2x=12
divide each side by 2
x=6
Answer:
13
Step-by-step explanation:
Answer: answer is A
Step-by-step explanation:
Expressed A is the base area of the pyramid and h is the height of the pyramid
Answer:
d
Step-by-step explanation:
A(n) = a(0) x (1/5)^(n)
Where (n) is the term number and a(0) is the first term
For example,
a(1) = 25(1/5)
= 5
a(2) = 25(1/5)²
= 1
And so on
