Solve the system by graphing.
A. (4, 3)
B. (4, -3)
C. (1, 3)
D. (-4, -3)
Answer: B
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Find the product.(3m + 2)(-3m2 + 4m + 4)
A. -9m3 + 6m2 + 20m + 8 B. -9m3 - 6m2 - 20m + 8 C. -9m3 - 6m2 + 20m + 8 D. -9m3 + 6m2 - 20m + 8
Find the LCD. Do not combine fractions.
, 
A. 3ab B. a2b2 C. 4a2b2 D. 3a2b2
Solve the problem.Suppose that the area of a rectangular room is 
square feet. If the length of the room is 4x, determine the width of the room in terms of x.
A. 4x + 36 B. x + 9 C. x + 36 D. 36x
Suppose a 15-centimeter pendulum moves according to the equation
, where
is the angular displacement from the vertical in radians and t is the time in seconds. Determine the rate of change of
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seconds. Round your answer to four decimal places.
?
A. 2.3157 radians per second
B. 3.4308 radians per second
C. 0.2895 radians per second
D. 3.0252 radians per second
E. 2.573 radians per second