Solve the problem.A bridge is built in the shape of a parabolic arch. The bridge arch has a span of 198 feet and a maximum height of 30 feet. Find the height of the arch at 20 feet from its center.
A. 4.9 ft
B. 0.3 ft
C. 44 ft
D. 28.8 ft
Answer: D
Mathematics
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Write using radical notation. Then, simplify, if possible.x1/4
A. x-4
B. 
C. 
D. 
Mathematics
Add or subtract as indicated. Simplify, if necessary.
+ 
A. 
B. 
C. 
D. 
Mathematics
A van travels 340 miles on 17 gallons of gas. At that rate, how much gas will it need to travel 410 miles? Round your answer to the nearest gallon.
What will be an ideal response?
Mathematics
An expression that occurs in calculus is given. Write the expression as a single quotient in which only positive exponents and/or radicals appear.10x3/2(x3 + x2) - 12x5/2 - 12x3/2
A. 10x3/2(x3 - 1) + 10x3 - 2x3/2(x - 1) B. x3/2(x - 1)[10(x2 - 1) - 2] + 10x3 C. 10x3/2(x + 1)(5x2 - 6) D. 2x3/2(x + 1)(5x2 - 6)
Mathematics