Answer:
a. (7x²+2) + (2x²+3)
= 9x² + 5
b. (5x + 2) + (8x + 3)
= 13x +5
c. (5x)(8x + 3)
= 40x² + 15x
44.55
Step-by-step explanation:
I actually didn't get the right answer and I just edited it right now I'm sorry I dont have an explanation!
Before Tax Price: $59.98
Sale Tax: 6.00% or $3.60
After Tax Price: $63.58
12.247 Hope I helped
the answer is A. :)