Solve the problem.A reflecting telescope has a parabolic mirror for which the distance from the vertex to the focus is 35 feet. If the distance across the top of the mirror is 62 inches, how deep is the mirror in the center?

A.  in.
B.  in.
C.  in.
D.  in.


Answer: C

Mathematics

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Solve the problem.The city bridge has 5 lanes, all carrying equal numbers of cars. If 215 cars drive across the bridge, how many cars cross in each lane?

A. 48 cars B. 220 cars C. 44 cars D. 43 cars

Mathematics

Write an equation for the line described. Give your answer in standard form.through (-3, 5), undefined slope

A. y = 5 B. x = -3 C. x = 5 D. y = -3

Mathematics

Convert the measurement as indicated.51 qt to gallons

A. 48 gal
B. 12 gal
C. 25 gal
D. 102 gal

Mathematics

Solve the formula for the specified variable. -  +  = 5 for x

A. x = 
B. y = 
C. x = 
D. z = 

Mathematics