Simplify the expression.53
A. -15
B. 125
C. 15
D. -125
Answer: B
Mathematics
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Find the indicated cardinal number.Find n(A × B) given that n(A) = 40 and n(B) = 7.
A. 47 B. 33 C. 54 D. 280
Mathematics
Simplify the expression.2-6 ? 25
A. 
B. 1
C. 
D. 2
Mathematics
Provide an appropriate response.After working correctly through several steps of the solution of a linear equation, a student obtains the equation 6x = 5x. Then the student divides each side by x to get 6 = 5 and gives ? as the answer. Is this correct? If not, explain why.
What will be an ideal response?
Mathematics
Find the unknown length in the right triangle. If necessary, approximate the length to the nearest thousandth.
19 km
A. 617 km B. 17.5 km C. 308.5 km D. 24.839 km
Mathematics