Simplify the expression. Use positive exponents. Assume variables represent nonnegative numbers.
2
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Graph the equation.y = - 
x + 6
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.On a test, Shoshana got 86% or 215 of the items correct. How many items were on the test?
A. 43 B. 250 C. 40 D. 86
Mathematics
Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed infinite), write the set using set-builder notation, and write the set using interval notation.
A. half-open interval; {x|-9 < x ? -3}; (-9, -3] B. closed interval; {x|-9 ? x ? -3}; [-9, -3] C. half-open interval; {x|-9 ? x < -3}; [-9, -3) D. open interval; {x|-9 < x < -3}; (-9, -3)
Mathematics
Express as a single logarithm and, if possible, simplify.logb 7x + 8(logb x - logb y)
A. logb 
B. logb 
C. 
D. logb (7x + x8 - y8)
Mathematics