Solve the problem.A flat rectangular piece of aluminum has a perimeter of 58 inches. The length is 7 inches longer than the width. Find the width.
A. 11 in.
B. 29 in.
C. 25 in.
D. 18 in.
Answer: A
Mathematics
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Determine which of the fundamental laws of algebra is demonstrated.(-6 + 2) - 1 = -6 + (2 - 1)
A. Distributive B. Associative C. Commutative
Mathematics
Write in terms of the cofunction of a complementary angle.sec 30°
A. cos 120° B. csc 60° C. cos 60° D. csc 150°
Mathematics
Use the rules of exponents to simplify the expression. Use positive exponents to write the answer.
-3
A. 
B. 
C. 
D. 
Mathematics
For the function f, use composition of functions to show that f-1 is as given.Let 
. Show that 
What will be an ideal response?
Mathematics