Simplify.
A. 
B. 
C. 1
D. 
Answer: D
Mathematics
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Solve the problem.The perimeter of a rectangle is 42 cm. The length is 9 cm more than the width. Find the length and the width.
A. Length: 21 cm; width: 12 cm B. Length: 15 cm; width: 6 cm C. Length: 17 cm; width: 8 cm D. Length: 9 cm; width: 6 cm
Mathematics
Find the limit.
A. 0 B. 9 C. 18 D. No limit
Mathematics
Solve the problem.A rectangular playground is to be fenced off and divided in two by another fence parallel to one side of the playground. 528 feet of fencing is used. Find the dimensions of the playground that maximize the total enclosed area.
A. 132 ft by 132 ft B. 44 ft by 198 ft C. 88 ft by 132 ft D. 66 ft by 132 ft
Mathematics
Solve the formula for the given letter.
A. 
B. 
C. 
D. 
E. 
Mathematics