Evaluate the expression for the given replacement values.-x - z
for x = -2 and z = 7
A. 9
B. -9
C. -5
D. 5
Answer: C
Mathematics
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Divide.
A. 40 B. -40 C. 1 D. -1
Mathematics
Solve the equation. 
= 9Express solutions as fractions if necessary.
A. 
, - 
B. 
, - 
C. - 
, 
D. No solution
Mathematics
Use Euler's method to approximate the indicated function value to three decimal places using 
= 2xy; y(1) = 1; find y(1.4)
A. 2.982 B. 2.287 C. 2.591 D. 2.928
Mathematics
Express the phrase as a ratio in lowest terms.24 miles to 15 miles
A. 
B. 
C. 
D. 
Mathematics