Estimate the product by rounding.
A. 21
B. 24
C. 28
D. 18
Answer: A
Mathematics
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Give the coordinates of the specified point.
D
A. (3, 3) B. (5, 3) C. (5, 5) D. (3, 5)
Mathematics
Solve the problem.A railroad tunnel is shaped like a semi-ellipse. The height of the tunnel at the center is 28 ft and the vertical clearance must be 24 ft at a point 13 ft from the center. Find an equation for the ellipse.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Solve the problem.If P(A) = 0.4, P(B) = 0.2, and P(A or B) = 0.5, then what is P(A and B)?
A. 0.2 B. 0.1 C. 1 D. 0.4
Mathematics
Evaluate.Find (
)(2) given f(x) = x2 + 17x + 72 and g(x) = 64 - x2.
A. 
B. 
C. 
D. 
Mathematics