Classify the real number as a natural number, whole number, integer, rational number and/or irrational number. The number may belong to more than one set.-
A. irrational number
B. rational number
C. integer
D. integer, rational number
Answer: A
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Simplify.
A. p10
B. p8
C. p
D. 
Write an equation using the variable x to represent any unknown quantity. Do not solve the equation.The area of a rectangle is 60 square feet. If the length is 5 meters more than the width, write an equation for which the solution is the width.
A. 2x + 2(x + 5) = 60 B. x(x + 5) = 60 C. x2 + 5 = 60 D. x2 + 25 = 60
Identify the open intervals where the function is changing as requested.Decreasing
A. (-3, 0), (3, ?) B. (-3, 0) C. (-?, -3), (0, 3) D. (-3, 3)
Translate to an equation and solve.What percent of 130 is 1.3?
A. 1.3 = n% × 1.3; n = 100% B. 1.3 = n × 130; n = 10,000% C. 130 = n% × 1.3; n = 0.01% D. 1.3 = n% × 130; n = 1%