1// Flip the second fraction [RECIPROCAL]
2// Multiply bottom of fraction by whole number, add 1 to bottom of whole number.
3// Simplify.
I don't know what posts are but i'm assuming you would subtract 21 from 17 and get 4.
The ratio of similar areas is the square of the ratio of the scale factor.
Circle R's sector is (5/2)² = 25/4 the area of Circle Q's sector.
Answer:
x = 4 or x = -4
Step-by-step explanation:
