Solve.The diagram below shows a rope connecting the top of a pole to the ground. How tall is the pole? 
A. 20.5 yd.
B. 5.55 yd.
C. 11.1 yd.
D. 61.5 yd.
Answer: C
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Determine whether the graph of the equation or function has symmetry about the x-axis, the y-axis, and the origin.2x = 5y2 + 5
A. x-axis B. y-axis C. x-axis, y-axis, origin D. origin
Solve the problem.When air friction is considered, the time t (in s) it takes a certain falling object to attain a velocity v (in ft/s) is given by 
Find an expression for dt/dv in terms of v.
A. 5 ln 
B. 
C. 
D. 
Find the amount paid by each of the multiple carriers.The London Coat Company had an insured fire loss of $167,000. It had insurance coverage as follows: Company A, $500,000; Company B, $350,000; and Company C, $150,000. Find the amount paid by each carrier assuming that the coinsurance requirement had been met.
A. $87,675, $50,100, $29,225 B. $83,500, $58,450, $25,050 C. $79,325, $54,275, $33,400 D. $91,850, $54,275, $20,875
Solve the problem.A projectile is fired from a height of 7.5 feet with an initial velocity of 195 ft/sec at an angle of 52° with the horizontal. The parametric equations for the path of the projectile are x = (195 cos 52°)t, and y = 7.5 + (195 sin 52°)t - 16t2,where x and y are in feet and t is in seconds. Determine the maximum height reached by the projectile. Round your answer to the nearest tenth of a foot.
A. 383.9 ft B. 376.4 ft C. 745.4 ft D. 368.9 ft