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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Evaluate the expression without using a calculator.
?
A. 
B. 
C. 
D. 78125
E. -78125
Mathematics
Solve the problem.At mail-time you are delivered a check for $44. What happens to your net worth?
A. Your net worth goes down by $44. B. None of these C. Your net worth does not change. D. Your net worth goes up by $44.
Mathematics
Find the weighted mean. Round to the nearest tenth.
A. 23.9 B. 27.3 C. 23.3 D. 7.1
Mathematics
Use the distributive property as needed and add or subtract like terms. Arrange the terms with descending order of exponents on y.
Mathematics