Solve the problem.In an Algebra course of 140 students, 
of the students decided to take the optional final. Of those taking the final, 
received an A on it. How many students earned an A on the final?
A. 24
B. 42
C. 56
D. 84
Answer: B
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Find an equation of the line containing the given points. Express your answer in slope-intercept form.(4, -13) and (3, -8)
A. y = 5x - 33
B. y = -5x + 7
C. y = - 
x - 
D. y = 
x - 
Determine whether the given value is a solution of the inequality.x - 3 ? -4; -1
A. A solution B. Not a solution
Find the simple interest and amount for the value of principal P, rate r per year, and time t.P = $7800, r = 5
%, t = 4 years and 6 months
A. $18,866.25, $26,666.25 B. $1886.63, $5913.38 C. $188.66, $7988.66 D. $1886.63, $9686.63
Solve.A rocket is launched from the top of a cliff that is 112 feet high with an initial velocity of 168 feet per second. The height, h, of the rocket after t seconds is given by the equation 
How long after the rocket is launched will it strike the ground? Round to the nearest tenth of a second, if necessary.
A. 11.1 sec B. 12.8 sec C. 12.5 sec D. 11.8 sec