Add. Do not use a number line except as a check. 9 + -9
A. -9
B. 9
C. 0
D. 18
Answer: C
Mathematics
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Use the regression formula for the data below to estimate the value of 
.
x 1.37 3.39 4.96 6.73 y 44.22 39.28 36.71 32.82
What will be an ideal response?
Mathematics
On the coordinate plane below, plot the points with the given coordinates.A(5, 5), B(-3, 4)
A. 
B. 
C. 
D. 
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Solve the problem.Roger agreed to 7 years of car payments. He has been making payments for 
and 
How much longer does he have to keep making payments?
A. 4 yr 8 mo B. 4 yr 9 mo C. 4 yr 3 mo D. 4 yr
Mathematics
Solve the problem. Round your answer to the nearest tenth, when appropriate. Use the formula 
, as needed.Find [H3O+] if the pH = 5.4.
A. 2.5 × 10-5 B. 4.0 × 10-5 C. 2.5 × 10-6 D. 4.0 × 10-6
Mathematics