Solve the problem.A power boat in still water maintains a speed of 20 miles per hour. The boat heads directly across a river perpendicular to the current which has a speed of 7 miles per hour. Find the actual speed and direction of the boat.
A. 11 mph; 40° off course
B. 20 mph; 20° off course
C. 21 mph; 19° off course
D. 12 mph; 36° off course
Answer: C
Mathematics
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Solve the problem.Find the beginning of year NAV for ASCPX which has a current net asset value of $4.84 and YTD % Return of 1.3%. Round to the nearest cent.
A. $2.10 B. $4.90 C. $4.78 D. $3.72
Mathematics
Determine whether the three points are the vertices of a right triangle.(3, -5), (9, -3), (15, -10)
A. Yes B. No
Mathematics
Write an inequality using the variable x that corresponds to the set graphed on the number line.
A. -4 < x ? 0 B. -4 < x < 0 C. -4 ? x < 0 D. -4 ? x ? 0
Mathematics
Provide an appropriate response.If z = (2x + 3y)3 and x = r2 - 2s and y = 2s - r, then 
when r = 2 and s = 1 is
A. 84. B. 104. C. 92. D. 88. E. 96.
Mathematics