Answer:
12
Step-by-step explanation:
These triangles are similar using the AA theroem. This means there sides are in corresponding proportion.
Side AR and Side TE are corresponding. Use this proportion.

This side the triangle SAR side lengths are 3/4 of side lengths of triangle SET.
We know that RS+ST=21
And that RS=3/4(ST).


x=12.
Side ST is 12
Answer:
51
Step-by-step explanation:
we know that
Lonnie threw 50 free throws and missed 16 of them
That means
Lonnie threw 50 free throws and was successful in 50-16=34
so
using proportion

therefore
If Lonnie shoots 75 free throws, she' ll successfully make 51 of them.
Solution:
Given:

The zeros of a function are the values of x when f(x) is equal to 0.
Hence,

Therefore, x = 1
The correct answer is OPTION A.