Answer:
<em>5x + 1</em>
Step-by-step explanation:
f(x) = 3x + 2
g(x) = - 2x + 1
<em>f(x) - g(x)</em> = 3x + 2 - ( - 2x + 1 ) = 3x + 2 + 2x - 1 = <em>5x + 1</em>
Answer: is it B.
Explanation:
21/7=3
5*3=15 width
3*3=9 height
for 20 the answer is B