Solve the system of equations by substitution.
A. x = -100, y = 27; (-100, 27)
B. x = 100, y = 27; (100, 27)
C. x = 100, y = -27; (100, -27)
D. x = -100, y = -27; (-100, -27)
Answer: C
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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 
, y = 0, x = 1, x = 9
A. ?ln 9
B. 
?
C. 
?
D. 
?
You are driving up a straight mountain road which has a slope of 58.00 feet per mile. If you are initially at an altitude of 725 feet, what is your altitude after you drive 4 horizontal miles? ?
A. 957.66 feet B. 787.00 feet C. 957.00 feet D. 787.27 feet
Let x be a number. Translate the following into an expression or an equation, as appropriate, and then simplify the expression or solve the equation.5 times a number added to -8 is equal to 13 times the number.
A. 13(5x - 8) = -8; -1 B. 5x + (-8) = 13x; -1 C. 5x + 8x = 13; 1 D. 5x - (-8) = 13x; 1
Use the properties of parallel lines to solve the problem.If p 
q and m?8 = 48°, what are the measures of the other angles?
A. m?5 = m?6 = m?7 = 48° , m?1 = m?2 = m?3 = m?4 = 132° B. m?2 = m?4 = m?6 = 48°, m?1 = m?3 = m?5 = m?7 = 132° C. m?2 = m?4 = m?6 = 48° , m?1 = m?3 = m?5 = m?7 = 142° D. m?2 = m?4 = m?6 = 48° , m?1 = m?3 = m?5 = m?7 = 42°