Solve the problem.A bridge is built in the shape of a parabolic arch. The bridge arch has a span of 162 feet and a maximum height of 40 feet. Find the height of the arch at 10 feet from its center.
A. 5.1 ft
B. 2.4 ft
C. 0.2 ft
D. 39.4 ft
Answer: D
Mathematics
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Solve, rewrite in interval notation, and graph.-4 < 6x + 8 and 8x - 5 < 11
A. [-2, 2]
B. (-2, 2]
C. [-2, 2)
D. (-2, 2)
Mathematics
Solve the right triangle for all missing sides and angles to the nearest tenth.
c = 32B = 36°29'
A. A = 53°31', a = 19, b = 23.7 B. A = 53°31', a = 25.7, b = 19 C. A = 53°31', a = 19, b = 25.7 D. A = 53°31', a = 18.9, b = 25.8
Mathematics
Solve the radical equation. Check all proposed solutions.
= y - 3
A. y = - 
B. y = 2
C. y = -5
D. y = 5
Mathematics
Evaluate the exponential expression.-103
A. -1000 B. 1000 C. 30 D. -30
Mathematics