Simplify the expression. Assume that all variables are positive when they appear.4 + 4

A. 28x
B. 7
C. 28
D. 4


Answer: C

Mathematics

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Find the equation of the line described, and express your answer in the specified form.Perpendicular to the line y = 5; passes through the point (8, 1); standard form

A. x = 1 B. y = 1 C. x = 8 D. y = 8

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Solve the problem.If s varies directly as t2, and s = 225 when t = 5, find s when t is 6.

A. 270 B. 324 C. 45 D. 30

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Solve the equation.|x| - 8 = -11

A. {-3} B. {3, -3} C. {3} D. no solution

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Determine whether the statement is true or false.Every integer is an irrational number.

A. True B. False

Mathematics