Find the products AB and BA to determine whether B is the multiplicative inverse of A.A = 
,B = 
A. B ? A-1
B. B = A-1
Answer: A
Mathematics
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Use the multiplication property of equality to solve the equation. 5x = 15
A. 10 B. 5 C. 3 D. 15
Mathematics
Given A(a, b), B(a + m, b + n), and C(a - n, b + m). Prove that AB ? AC.
What will be an ideal response?
Mathematics
Solve the problem.The intelligence quotient in psychology is given by Q(m, c) = 100 ? 
, where m is a person's mental age, and c is his or her chronological , or actual, age. Find Q(19, 17) and round the answer to the nearest whole number.
A. 11 B. 89 C. 112 D. 100
Mathematics
Solve the rational equation graphically. Approximate your answer to the nearest hundredth if appropriate.
= 
A. 6 B. 10 C. 18 D. -14
Mathematics