Answer:
21
Step-by-step explanation:
Since the shape is a square the sides are equal. Then we need to find x such that x * x = 169.
Sqrt(169) = 13
So x = 13
Hello, Marymack!
We know that in a geometric sequence defined by

and

, the sum can be calculated the following way:
Answer:
304
Step-by-step explanation:
2100÷7=300
300+interest=300+4
=304