Solve the problem.Bob fenced in a rectangular garden in his yard. The length of the rectangle is 6 feet longer than the width and the perimeter is 76 feet. What is the width of the rectangle?
A. 32 feet
B. 18 feet
C. 16 feet
D. 15 feet
Answer: C
Mathematics
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Solve the problem.Find the acceleration at time t = 9 s if the position (in cm) of a particle moving along a line is 
at time t.
A. 310 cm/s2 B. 1323 cm/s2 C. 310 cm/s D. 1323 cm/s
Mathematics
Factor the polynomial completely.9x4 + 12x2 + 4
A. (9x2 + 2)(x2 + 2) B. (3x2 + 1)(3x2 + 4) C. (3x2 - 2)(3x2 - 2) D. (3x2 + 2)(3x2 + 2)
Mathematics
Divide the real numbers. Write any improper fraction as a whole or mixed number where appropriate.- 
÷ 
A. - 
B. - 1
C. 
D. 1
Mathematics
Solve the problem.A bridge is built in the shape of a parabolic arch. The bridge arch has a span of 160 feet and a maximum height of 40 feet. Find the height of the arch at 10 feet from its center.
A. 5 ft B. 39.4 ft C. 2.5 ft D. 0.2 ft
Mathematics