answer:

explanation:
the area of the larger square is 36 (6*6), and the area of the smaller square is 16 (4*4). to find the ratio of the area, simply just put 16 over 36 and simplify.

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Answer:
76.8
Step-by-step explanation:
Using the proportion
→ Percent is out of 100
=
( cross- multiply )
100n = 7680 ( divide both sides by 100 )
n = 76.8
Answer:
3 cube root of 15
Step-by-step explanation:
theres your simple radical form
Answer:
a = 9
Step-by-step explanation:
you can simplify the proportion to:

use cross- multiplication
8a = 72
a = 9