Solve the problem.A coin is tossed upward from a balcony 178 ft high with an initial velocity of 32 ft/sec. During what interval of time will the coin be at a height of at least 
(h = -16t2 + vot + ho.)
A. 0 ? t ? 4
B. 0 ? t ? 1
C. 3 ? t ? 4
D. 4 ? t ? 8
Answer: A
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Suppose that the radius of convergence of the power series  FIGURE 1.png)
is 9. What is the radius of convergence of the power series  Figure 2.png)
What will be an ideal response?
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.
-1/2
A. 
B. 
C. 
D. Not a real number
Use the given conditions to write an equation for the line in slope-intercept form.Passing through (3, -4) and parallel to 7x + y = 7.
A. y = 7x - 17
B. y = - 7x - 17
C. y = - 7x + 17
D. y = - 
x - 
Solve using the problem-solving strategy for systems of linear equations.Molly is training for a biathlon. Each weekend she bicycles and runs to prepare for the race. She cycles at a rate of 14 mph and runs at a rate of 3 mph. If she spends 8 hours bicycling and running and covers a total of 79 miles, how much time did she spend on each?
A. Bicycling: 3 hr Running: 5 hr B. Bicycling: 5 hr Running: 5 hr C. Bicycling: 6 hr Running: 3 hr D. Bicycling: 5 hr Running: 3 hr