Answer:
Mrs. McCarr buys 90 markers
Step-by-step explanation:
10 markers per package × 9 packages of markers = 90 markers in total
Answer:
8^2 = 64
unless you mean 8^2's square root then it is 8
Step-by-step explanation:
Answer:
<h2>c. 16.5</h2>
Step-by-step explanation:
It's the right triangle.
The formula of an area of a right triangle:

Look at the picture.
We have

Substitute:

Answer:
ok
Step-by-step explanation:
ok