Factor.x4 - 8x2 + 16
A. (x + 2)4
B. (x - 2)4
C. (x2 - 2)2
D. (x + 2)2(x - 2)2
Answer: D
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Find the indicated trig function of ?, if ? is an angle in standard position with the terminal side defined by the given point.Given (6.21,2.66); Find cos ?.
A. 1.09 B. 0.394 C. 0.919 D. 2.54
Solve the problem.The following table shows the rate of water flow (in gal/min) from a stream into a pond during a 30-minute period after a thunderstorm. Use the Trapezoidal Rule to estimate the total amount of water flowing into the pond during this period.
A. 9050.0 gallons B. 11,350 gallons C. 9983.3 gallons D. 9975 gallons
Simplify the expression. Assume that all variables are positive when they appear.
A. y
B. y3
C. y6
D. 
In how many ways can you be dealt three cards from an ordinary deck of 52 cards?
Fill in the blank(s) with the appropriate word(s).