A) c=18
0.5c^2 +13=94
subtract 13 from both sides
0.5c^2 = 81
Square root of both sides to get c alone
0.5c=9
double c to make it just c
c=18
B) x=8
(x-2)^2+1=37
Subtract one from each side
(x-2)^2=36
square root each side
x-2=6
add the 2 over
x=8
<span>valid. She used a representative sample
</span>because she correctly found the average and 18,000 is a reasonable number to get for a the problem
Your answer is A. You literally plug in the numbers for a and b to solve for the equation.
You will have $5 left because if you spend 1.25 on 12 snacks you will spend $15
Answer:
A
Step-by-step explanation:
