Simplify the algebraic expression.4a + 2 - 2a
A. -2a + 2
B. 4a
C. 2a + 2
D. 6a + 2
Answer: C
Mathematics
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Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.
A. 54xy10 B. 6xy4 C. 6xy10 D. 6x19y10
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Find the slope of the line tangent to the curve at the given value of x.f(x) = 
; x = 64
A. 8
B. 64
C. 
D. 
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Choose a natural number between 1 and 100, inclusive. What is the probability that the number chosen is not a multiple of 5? ?
A. 
B. 
C. 
D. 
E. 
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Multiply.
A. 486 B. 3719 C. 3726 D. 3733
Mathematics