Find the indicated cross product.v = 3i + 5j, w = 5i + 3kFind w × v.
A. -15j - 15k
B. -15i + 9j + 25k
C. -9i + 15j + 25k
D. 25i + 15j - 15k
Answer: B
Mathematics
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Round to the nearest tenth.137.27
A. 137 B. 137.27 C. 137.2 D. 137.3
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Evaluate the expression by first changing the form. Verify the answer by use of a calculator. 
A. - 
B. - 
C. -2
D. - 
Mathematics
Divide.(x2 + 10x + 12) ÷ (x + 7)
A. x + 3 + 
B. x + 3 - 
C. 
D. x + 4
Mathematics
Translate to a proportion and solve. Round to the nearest hundredth, if necessary.125% of what number is 90?
A. 156.25 B. 15,625 C. 72 D. 720
Mathematics