Evaluate.28 + 22 ? 18
A. 900
B. 634
C. 424
D. 68
Answer: C
Mathematics
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Evaluate.-2x2 for x = 2
A. -8 B. 16 C. -16 D. 8
Mathematics
Perform the indicated operation.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The variable z varies jointly as the 2.4 power of x and the 1.7 power of y. When 
and 
Approximate the constant of variation to three significant digits.
A. 5.16 B. 8.56 C. 6.66 D. 8.06
Mathematics
Write the sentence as an equation. Let the variable x represent the number.The product of 3 and a number, increased by 3, is 15.
A. 3x - 3 = 15 B. 3(x + 3) = 15 C. 9x = 15 D. 3x + 3 = 15
Mathematics