Solve the inequality and graph the solution set. Write the solution set in interval notation.| r + 2 | > 5
A. (-?, -7) ? (3, ?)
B. ?
C. (3, ?)
D. (-7, 3)
Answer: A
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Solve by using the quadratic formula.4x2 + x - 6 = 0
A. 
B. 
C. 
D. no real-number solutions
Solve the problem.If a rocket is propelled upward from ground level, its height h in meters after t sec is given by h(t) = -9.8t2 + 68.6t. During what interval of time will the rocket be higher than 
A. The rocket will be higher than 98 m for times between, but not including, 4 sec and 7 sec. B. The rocket will be higher than 98 m for times between, but not including, 2 sec and 5 sec. C. The rocket will be higher than 98 m for times up to, but not including, 5 sec. D. The rocket will be higher than 98 m for times up to, but not including, 2 sec.
Factor out the greatest common factor.4x - 36
A. 4(x - 36) B. 4x(-9) C. 4x(x - 9) D. 4(x - 9)
The LCD of the pair of fractions is listed. Build each fraction to an equivalent fraction that has the LCD as the denominator.LCD = 36, 
and 
A. 
and 
B. 
and 
C. 
and 
D. 
and 