1. Determine whether or not the following graphs represent two quantities that are proportional to each other.
Explain your reasoning.
b.
Donated Money vs. Donations Matched
Age vs. Admission Price
by Benefactor
a.
500
400
5
Donations Matched by Benefactor ($)
Admission Price (5)
200
2
100
1
0
o
7
0
0
8
3
2
400
500
100 200 300
Money Donated
Age (years)
C.
Extra Credit vs. Number of Problems
Extra Credit Points
20
18
16
14
12
10
12 3 4 5 6
Number of Problems Solved

What does x = in this equation x+3+2x=x+5

Astudent found the solution below for the given inequality. |x-9|< -4 x-9> 4 and x-9< -4 x> 13 and x< 5 which of the following explains whether the student is correct? -the student is completely correct because the student correctly wrote and solved the compound inequality. -the student is partially correct because only one part of the compound inequality is written correctly. -the student is partially correct because the student should have written the statements using “or” instead of “and.” -the student is completely incorrect because there is no solution to this inequality.

Which expression equals 9^3 sqrt 10 a. 5 sqrt 10 + 4 sqrt 10 b. 5^3 sqrt 10 + 4 ^3 sqrt 10 c. 5 sqrt 10 + 4^3 sqrt 10 d. 5^3 sqrt 10 + 4 sqrt 10