Answer:
true
Step-
when you divide fractions you have to keep change flip
The answer to this question is c. 2 3/4
<h3>The area of semicircle is

</h3>
<em><u>Solution:</u></em>
Given that,
We have to find the area of a semi circle with a radius of 3 cm
<em><u>The area of semicircle is given as:</u></em>

Where, r is the radius
From given,
r = 3 cm
<em><u>Substituting the values we get,</u></em>

Thus the area of semicircle is 
Perform the indicated multiplications...
12x*x+12x*2-5*2x-5*(-1)
12x^2+24x-10x+5 combine like terms
12x^2+14x+5