Solve the problem.The quadratic function 
models the median, or average, age, y, at which U.S. men were first married x years after 1900. In which year was this average age at a minimum? (Round to the nearest year.) What was the average age at first marriage for that year? (Round to the nearest tenth.)
A. 1953, 36 years old
B. 1962, 21.8 years old
C. 1962, 50.9 years old
D. 1936, 50.9 years old
Answer: B
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Provide an appropriate response.A surveyor sights to a point across a pond, then makes a right angle, measures 50-ft and sights the same point across the pond with a 34° angle. Find the distance across the pond where the surveyor began.
A. 41.45 ft B. 33.73 ft C. 27.96 ft D. 74.13 ft
Find an equation for the hyperbola described. Graph the equation.Focus at (
, 0); vertices at (-5, 0), (5, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Solve for the variable.3x + 3.3 = 30.3
A. x = 9 B. x = 28 C. x = 7 D. x = 24
Write as a subtraction problem and evaluate.The sum of -2 and 9 subtracted from the difference of 8 and -3
A. [8 - (-3)] - (-2 + 9); 4 B. (-2 + 9) - [8 - (-3)]; -4 C. [8 - (-3)] - (-2 - 9); 22 D. (-2 - 9) - [8 + (-3)]; -16