Solve the equation. First simplify the expression by combining like terms.
(r + 6) = 
(r + 8)
A. -2
B. -1
C. 2
D. 1
Answer: B
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Solve the formula for the specified letter.
= 
for P
A. P = 
B. P = 
C. P = 
D. P = 
Find the x-intercepts (if any) of the graph of the function. If the x-intercepts are irrational, round your answers to the nearest tenth.f(x) = -x2 + 11x - 30
A. x-intercepts: (5, 0) and (6, 0) B. x-intercepts: (5, 0) and (-6, 0) C. x-intercepts: (-5, 0) and (-6, 0) D. No x-intercepts
Use the quadratic formula to solve the equation. Simplify any radicals. p2 - 22p + 121 = 0
A. {11} B. {0, 22} C. {0, 11} D. {± 11}
A poll was taken of 208 students at a commuter campus to find out how they got to campus. How many used none of the mentioned means of transportation? The results of the poll were: ? ? 40 said they drove alone.36 rode in a carpool.40 rode public transportation.5 used both carpools and public transportation.10 used both a carpool and sometimes their own cars.10 used buses as well as their own cars.5 used all three methods.?
A. 132 B. 127 C. 97 D. 117 E. 142