Find the following.Find -x when x is -47.
A. - 
B. 0
C. 47
D. -47
Answer: C
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The formula for compound interest is 
where A is the amount accumulated from a principal of P dollars left untouched for n years with an annual interest rate r (expressed as a decimal). Use this formula and a calculator to find A to the nearest cent.P = $100, r = 0.01, n = 3
A. $53.03 B. $153.03 C. $103.03 D. $1,030,301.00
Find the vertex, focus, and directrix of the parabola with the given equation.(y + 2)2 = 20(x + 3)
A. vertex: (-2, -3) focus: (3, -3) directrix: x = -7 B. vertex: (3, 2) focus: (8, 2) directrix: x = -2 C. vertex: (-3, -2) focus: (-8, -2) directrix: x = 2 D. vertex: (-3, -2) focus: (2, -2) directrix: x = -8
Classify the real number as one or more of the following: natural number, whole number, integer, rational number, or irrational number.0
A. whole number, integer, rational number B. natural number, whole number, integer C. whole number, integer D. natural number, whole number, integer, rational number
Decide whether a line with the given slope is upward sloping, downward sloping, horizontal or vertical.m is undefined
A. horizontal B. vertical C. downward D. upward