Solve the problem.Find the area of the region enclosed by the curve y = x cos x and the x-axis for 
? ? x ? 
?.
A. 9
B. 11?
C. 9?
D. 10?
Answer: D
Mathematics
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State the multiplication property illustrated by the given equation.(-3 ? 3) ? (-5) = -3 ? (3 ? (-5))
A. Associative B. Commutative C. Identity D. Distributive
Mathematics
Solve the inequality. Describe the solution set with interval notation.-x - 7 ? 4
A. (-?, -11) B. (-11 , ?) C. [-11 , ?) D. (-?, -11]
Mathematics
Divide.
÷ 
A. 6x8 B. 2x4 + 4x2 C. 8x6 + 4x2 D. 2x4 + 16x4
Mathematics
Solve the problem.A bridge is built in the shape of a parabolic arch. The bridge arch has a span of 142 feet and a maximum height of 40 feet. Find the height of the arch at 25 feet from its center.
A. 1.2 ft B. 19.8 ft C. 35 ft D. 27.7 ft
Mathematics