Solve the problem.Find the area A of a rectangle with length 3 ft and width 13 ft.
A. A = 16 ft2
B. A = 12 ft2
C. A = 39 ft2
D. A = 78 ft2
Answer: C
Mathematics
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Multiply, then simplify the product. If variables are present, assume they are positive.(
+ y)(
- y)
A. x + 2y
B. 12x
C. 11x - y2
D. x - 2y
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
Mathematics
Use the inverse formula 
to find the inverse of the 2×2 matrix (if it exists).
?
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Decide whether the given functions are inverses.f = {(1, 1), (-2, -4), (10, -4), (12, 4), (0, 9)}g = {(1, 1), (4, -2), (-4, 10), (4, 12), (9, 0)}
A. No B. Yes
Mathematics