Factor the trinomial, or state that the trinomial is prime.a2 + 4a - 45
A. (a - 9)(a - 5)
B. prime
C. (a - 9)(a + 1)
D. (a + 9)(a - 5)
Answer: D
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Provide an appropriate response.How do you find the x-intercept of a line using its equation? How do you find the x-intercept of a line using its graph? Does a line always have an x-intercept? Explain and give examples.
What will be an ideal response?
Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300 B. $0.60 C. $1 D. $100
Subtract.44 - (-49)
A. -5 B. -93 C. 93 D. 5
Solve the problem.An auxiliary fuel tank for a helicopter is shaped like the surface generated by revolving the curve 
about the x-axis (dimensions are in feet). If a cubic foot holds 7.481 gallons and the helicopter gets 3 miles to the gallon, how many additional miles will the helicopter be able to fly once the tank is installed (to the nearest mile)?
A. 376 mi B. 188 mi C. 125 mi D. 94 mi