Factor the trinomial, or state that the trinomial is prime.x2 - x - 72
A. (x + 9)(x - 8)
B. (x + 1)(x - 17)
C. (x + 8)(x - 9)
D. prime
Answer: C
Mathematics
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Solve the system by substitution, if possible. If a solution exists, give the value of y.
?
?
A. 8 B. -2 C. 5 D. 2 E. no solutions
Mathematics
Convert the units.45 mL = 
L
A. 4500 L B. 0.045 L C. 45,000 L D. 0.45 L
Mathematics
What percent of 
rad is 
rad?Round the result to the nearest tenth.
A. 0.1 % B. 25.1 % C. 13.1 % D. 4.2 % E. 13.3 %
Mathematics
Use l'Hospital's rule, if applicable, to find the limit.
A. 
B. ?
C. 0
D. 5
Mathematics