Evaluate the expression for the given replacement values.x - y + z for x = 18, y = 8, z = 5
A. 5
B. 31
C. 15
D. 16
Answer: C
Mathematics
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Perform the indicated operation.
+ 
A. 
B. 
C. 
D. 
Mathematics
Set up the percent proportion, and write "unknown" for the value that is not given. Recall that the percent proportion is 
= 
. Do not try to solve for any unknowns.10 is what percent of 67?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Solve the inequality graphically. Express the solution in set-builder notation.12x - 12 > 3(3x - 10)
A. {
x < 12}
B. {
x > -6}
C. {
x > 12}
D. {
x < -6}
Mathematics
Solve the inequality. Write the solution set in interval notation and graph it.f + 1 < 9
A. (-?, 8)
B. [8, ?)
C. (8, ?)
D. (-?, 8]
Mathematics