Solve the problem.You have money in an account at 8% interest, compounded quarterly. To the nearest year, how long will it take for your money to double?
A. 5 years
B. 7 years
C. 12 years
D. 9 years
Answer: D
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What is the pH of a neutral solution?
A. 5 B. 0 C. 7 D. 14
Solve the problem.A projectile is fired from a height of 8.9 feet with an initial velocity of 117 ft/sec at an angle of 47° with the horizontal. The parametric equations for the path of the projectile are x = (117 cos 47°)t, and y = 8.9 + (117 sin 47°)t - 16t2,where x and y are in feet and t is in seconds. Determine the rectangular equation describing the path of the projectile.
A. y = 8.9 + 117x tan 47° - 
x2
B. y = 8.9 + x tan 47° - 
x2
C. y = 8.9 + 117x tan 47° - 
x2
D. y = 8.9 + x tan 47° - 
x2
Perform the indicated operations. Write the result using only positive exponents. Assume all variables represent nonzero real numbers.
A. 36
B. 
C. 6
D. 96
Translate the question into an equation. Do not solve.Find 10% of 40% of 9400.
A. n = 10% × 40% × 9400 B. 9400 = 10% × 40% × n C. 9400 = 10 × 40 × n D. n = 10 × 40 × 9400