Solve.The length of a rectangle is four times the width. If the perimeter of the rectangle is 60 feet, find the width. 
L = 4W
A. 48 ft
B. 6 ft
C. 12 ft
D. 11 ft
Answer: B
Mathematics
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Solve the system by the addition method. Be sure to check all proposed solutions. x - 5y = 198x - 5y = -23
A. {(-5, -6)} B. {(5, -6)} C. {(-6, -5)} D. ?
Mathematics
Find the LCM.12, 15
A. 60 B. 15 C. 27 D. 180
Mathematics
Solve.
= -9
A. 85 B. 81 C. 77 D. empty set
Mathematics
Find anand a6 for the following arithmetic sequence.a1 = 42, d = -8
A. an = 42 + 8(n - 1), a6 = 82 B. an = 42 + 8n, a6 = 90 C. an = 42 - 8(n - 1), a6 = 2 D. an = 42 - 8n, a6 = -6
Mathematics