Use the quadratic formula to solve the equation. Simplify any radicals.2x2 = 3x - 9
A. 
B. 
C. 
D. ?
Answer: D
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Find the measure of each marked angle.
A. 79° and 79° B. 79° and 101° C. 88° and 88° D. 79° and 11°
Solve.Using the chessboard parable, find the total weight (in pounds ) when all squares up to and including 19 are filled. Assume that each grain of wheat weighs 1/7000 pound. Round your answer to the nearest pound.
A. 37 pounds B. 5 pounds C. 75 pounds D. 19 pounds
An object moves in simple harmonic motion described by the given equation, where t is measured in seconds and d in meters . Find the maximum displacement, the frequency, and the time required for one cycle.d = 4 + 3 cos 5?t meters
A. displacement = 7 meters; period = 
seconds; f = 
oscillations/second
B. displacement = 3 meters; period = 
seconds; f = 
oscillations/second
C. displacement = 7 meters; period = 
? seconds; f = 
oscillations/second
D. displacement = 3 meters; period = 
seconds; f = 
oscillations/second
Add and simplify.
+ 
+ 
A. 
B. 
C. 
D. 