Solve the problem.Sergio's internet provider charges its customers $7 per month plus 6¢ per minute of on-line usage. Sergio received a bill from the provider covering a 
period and was charged a total of $85.60. How many minutes did he spend on-line during that period? (Round to the nearest whole minute, if necessary.)
A. 496 min
B. 96 min
C. 446 min
D. 960 min
Answer: D
Mathematics
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Solve the problem.The sum of the angles of a triangle is 180°. Find the three angles of the triangle if one angle is three times the smallest angle and the third angle is 45° greater than the smallest angle.
A. 19°, 57°, 104° B. 0°, 0°, 180° C. 27°, 81°, 72° D. 0°, 45°, 135°
Mathematics
Find the GCF.104x3, 52x6
A. 104x3 B. 78x3 C. 52x3 D. 26x3
Mathematics
Use the table of integrals to find the integral.
?
?
Hint: First use the substitution 
.
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Use C as the constant of integration.
What will be an ideal response?
Mathematics
Graph the system of inequalities, and find the coordinates of the vertices.y - 3x ? 9,y + 3x ? -3,x ? 0,y ? 0
A. 
B. 
C. 
D. 
Mathematics