Simplify the expression. Assume that all variables are positive when they appear. ? 

A.
B.
C. 20x2
D. 2x2


Answer: B

Mathematics

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Solve the system. If there is no solution or if the system's equations are dependent, so state.

A. {(-3, -5, 4)} B. no solution or ? C. {(-3, 4, -5)} D. infinitely many solutions; dependent equations

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Graph the parabola whose equation is given.f(x) = x2 - 1

A.

B.

C.

D.

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The formula used to calculate body mass index is BMI= ? 703 where w = weight in lb and h = height in inches. Calculate June's BMI if she weighs 140 and is 5 ft 4 in tall.

A. 33.75 B. 25.03 C. 24.03 D. 15.38

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Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(5x + 2)3

A. 25x2 + 20x + 4 B. 125x3 + 150x2 + 150x + 8 C. 125x3 + 150x2 + 60x + 8 D. 25x6 + 10x3 + 64

Mathematics