Answer:
Step-by-step explanation:
Hello, please consider the following.

Thank you
Answer:
Step-by-step explanation:10
Well I figured it out and I came up with 13 square inches. you can find this out by doing the square root of 169. I hope this help :).
4x + 89.95 = 628.35 <== ur equation
4x = 628.35 - 89.95
4x = 538.40
x = 538.40 / 4
x = 134.60 <== the cost for each cavity filling
Answer:
C
Step-by-step explanation:
It can't be A because there isn't an answer for 55
It can't be B because 8 students answered 70 or 75 % and there are 19 total students. 8/19 is not 50%
It can't be D because only one student answered 100%
And there are eight students who answered more than 80%
I think this is correct, the picture is a little blurry.