Solve the problem.A power boat in still water maintains a speed of 30 miles per hour. The boat heads directly across a river perpendicular to the current which has a speed of 8 miles per hour. Find the actual speed and direction of the boat.
A. 16 miles per hour; 30° off course
B. 15 miles per hour; 32° off course
C. 31 miles per hour; 15° off course
D. 30 miles per hour; 15° off course
Answer: C
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What was the original ticket price (year 0)? What will the price be in year 9?
What will be an ideal response?
Find an equation for the line with the given properties.Vertical line; containing the point (5, -3)
A. y = 5 B. x = -3 C. x = 5 D. y = -3
Find the inverse of the relation.{(4, 8), (5, 8), (6, -1), (7, 1)}
A. {(8, 4), (1, -1), (6, 5)} B. {(8, 4), (8, 5), (-1, 6), (1, 7)} C. {(8, 4), (5, -1), (6, 1)} D. {(4, 1), (4, -1), (6, 5)}
Find and simplify the function 
at the given value 
.
?
A. -24 B. -12 C. 24 D. 12 E. 0