Decide whether the matrices are inverses of each other. (Check to see if their product is the identity matrix I.)
and 
A. Yes
B. No
Answer: A
Mathematics
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Find the pair of numbers whose product and sum are given.Product: 160 Sum: -28
A. -20 and -8 B. 20 and 8 C. -20 and 8 D. 20 and -8
Mathematics
Answer the question or solve the problem.Under what conditions must the inequality symbol be reversed when solving an inequality?
What will be an ideal response?
Mathematics
Solve for ? if 
.
?
?
A. 60°, 300° B. 30°, 330° C. 30°, 150° D. 210°, 330° E. 240°, 300°
Mathematics
Divide as indicated.
÷ 
A. 
B. 1
C. 
D. 
Mathematics