Answer:
8π + 12 in²
Step-by-step explanation:
Just add the areas of the semicircle and the triangle.
Answer:
X^2+7x+4
Step-by-step explanation:
The scale factor is 1/2.
Is that your question?
Scale factors?
I'll use arithmetic series to find it.
First two-digit number divisible by 3 is 12, last such number is 99. Every 3rd number is divisible by 3.
So,

<u>There are 30 such numbers.</u>
90/3=30
3 can go into 90 30 times