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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Find the angle between u and v in radians.u = 3i + 10j + 3k, v = 9i + 2j + 5k
A. 0.58 B. 1.00 C. 1.30 D. 1.50
Mathematics
Solve the right triangle. If two sides are given, give angles in degrees and minutes.
B = 58.45°, a = 434.7 mGive side lengths to two decimal places.
A. A = 31.55°; b = 751.45 m; c = 817.21 m B. A = 31.55°; b = 707.98 m; c = 830.78 m C. A = 31.55°; b = 664.51 m; c = 830.78 m D. A = 31.55°; b = 707.98 m; c = 843.43 m
Mathematics
Find the domain of the composite function (g ? f)(x). Write the domain in interval notation.f(x) = 
, g(x) = x - 2
A. (-?, 0) ? (0, ?) B. (-?, ?) C. (-?, 0] D. [0, ?)
Mathematics
Find the exact value of the expression.cos
A. - 
B. - 
C. - 
D. 
Mathematics