Graph the system of inequalities.3x - y ? -3x + 2y ? 2

A.

B.

C.

D.


Answer: A

Mathematics

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The slope of a line varies from point to point on the line.

Answer the following statement true (T) or false (F)

Mathematics

Describe the given set of points with a single equation or with a pair of equations.The circle in which the plane through the point (5, 6, 9) perpendicular to the x-axis meets the sphere of radius 13 centered at the origin.

A. y 2 + z2 = 169 and x = 5 B. y 2 + z2 = 119 C. y 2 + z2 = 144 and x = 5 D. x2 + y 2 + z2 = 169

Mathematics

Use the properties of logarithms to find the exact value of the expression. Do not use a calculator.eln 7

A. 6 B. 7 C. ln 7 D. e7

Mathematics

Solve the problem.One Internet service provider has the following rate schedule for high-speed Internet service:Monthly service charge$18.001st 50 hours of usefreeNext 50 hours of use$0.25/hourOver 100 hours of use$1.00/hourWhat is the charge for 50 hours of high-speed Internet use in one month?What is the charge for 75 hours of high-speed Internet use in one month?What is the charge for 135 hours of high-speed Internet use in one month?

Fill in the blank(s) with the appropriate word(s).

Mathematics