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).


$18.00
$24.25
$65.50

Mathematics

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A. 15,225 B. 18,300 C. 630 D. 15,230

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Solve and graph. Write the solution in interval notation. < 8

A.

B.  ? 

C. (-?, 5)

D.

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Graph the parabola.y2 = 20x 

A.

B.

C.

D.

Mathematics

Find the product and write the result in standard form.(-6 + 9i)(5 + i)

A. -21 + 39i B. -21 - 51i C. -39 + 39i D. -39 - 51i

Mathematics