Solve the problem.An experimental model for a suspension bridge is built in the shape of a parabolic arch. In one section, cable runs from the top of one tower down to the roadway, just touching it there, and up again to the top of a second tower. The towers are both 12.25 inches tall and stand 70 inches apart. At some point along the road from the lowest point of the cable, the cable is 1.96 inches above the roadway. Find the distance between that point and the base of the nearest tower.

A. 13.8 in.
B. 14.2 in.
C. 21.2 in.
D. 21 in.


Answer: D

Mathematics

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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 42 ? 45

A. 262,144 B. 16,777,216 C. 16,384 D. 1,048,576

Mathematics

Solve the system. If the system's equations are dependent or if there is no solution, state this.  x + y + z = 7  x - y + 2z = 72x + 3z = 15

A. (1, 2, 4) B. The equations are dependent. C. No solution D. (4, 2, 1)

Mathematics

Graph the one-to-one function as a solid curve and its inverse as a dashed curve on the same axes.f(x) = 

A.

B.

C.

D.

Mathematics

Convert the measure to its alternate U.S. or metric form. Write improper fractions as mixed numbers forU.S. measures and as decimals for metric measures rounded to the nearest hundredth.Convert 89.9 inches to centimeters.

A. 7.46 centimeters B. 35.42 centimeters C. 228.35 centimeters D. 1078.8 centimeters

Mathematics