Solve the problem.The cross section of a large telescope having a diameter of 280 feet and a maximum depth of 30 feet is depicted below.
What is the equation of this parabola?
A. y = 
x2
B. Not enough information
C. y = 
x2
D. y = 
x2
Answer: C
Mathematics
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Solve the equation.
= 
A. 
, 
B. No solution
C. 
, - 
D. - 
, - 2
Mathematics
Evaluate the polynomial using the given values.9x - 8y ; x = 9, y = -5
A. 101 B. 116 C. 123 D. 121
Mathematics
Graph the function.y = -tan 
A. 
B. 
C. 
D. 
Mathematics
Write using exponential notation.9 ? 9 ? 9 ? 9 ? 9
A. 95 B. 5 ? 9 C. 90 D. 59
Mathematics