Multiply. Use the special formula that applies.(w - 10)2
A. 100w2 - 20w + 100
B. w2 - 20w + 100
C. w2 + 100
D. w + 100
Answer: B
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Evaluate or simplify the given expression.cos(2 sin-1 x)
A. 2x2 + 1 B. 1 - 2x2 C. 1 D. 1 - x2
Determine if the two lines are parallel, perpendicular, coinciding, or only intersecting.5x - 25y = 20y = 
x - 
A. parallel B. perpendicular C. intersecting D. coinciding
Write the number in standard notation.A light-year is a measure of length defined as the distance that light travels in one year, which is about 
kilometers. Write this number in standard notation.
A. 9.500000000000 B. 9,500,000,000 C. 0.0000000000095 D. 9,500,000,000,000
Solve the application.Every Saturday morning, Tara rides her bike around campus. The route that she usually rides is 8 miles long. If she averages 16 miles per hour, how long does it take her to complete her ride?
A. 8 hours
B. 128 hours
C. 
hour
D. 2 hours