Simplify the expression. Express the answer so that all exponents are positive. Whenever an exponent is 0 or negative, we assume that the base is not 0.(x-8y)4
A. 
B. x32y4
C. 
D. 
Answer: D
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Write the number in scientific notation.In a certain city, the bus system carried a total of 18,200,000,000 passengers.
A. 1.82 × 1011 B. 1.82 × 1010 C. 1.82 × 109 D. 18.2 × 1010
Factor out the greatest common factor.x2(x - 12) - (x - 12)
A. (x3 - 12x2) - (x - 12) B. (x - 12)(x2 + 1) C. x2(x - 12) D. (x - 12)(x2 - 1)
Solve the problem.A triangle has a base of length 2x + 3 and a height of x + 3 and has an area of 27 square units. Find thebase and height. (A = 
bh)
A. base = 3 units; height = 9 unit B. base = 18 units; height = 3 units C. base = 9 units; height = 6 units D. base = 9 units; height = 3 units
Determine whether the relation is a function.{(-1, 3), (1, 6), (5, -1), (7, 4), (10, -3)}
A. Not a function B. Function