Factor completely.x2 + 3x - 40
A. (x - 8)(x + 5)
B. (x + 8)(x - 5)
C. (x - 8)(x + 1)
D. Prime
Answer: B
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Solve the problem.A gas station sells 4820 gallons of regular unleaded gasoline in a day when they charge $4.05 per gallon, whereas they sell 3855 gallons on a day that they charge $4.10 per gallon. Find a linear equation that expresses gallons sold, G, in terms of price, p. Use this equation to predict the number of gallons sold at a price of $3.92 per gallon.
A. 7329 gallons B. 7333.1 gallons C. 7325.7 gallons D. 7338 gallons
Solve the problem.A new exhibit is scheduled to open at the local museum. Museum officials expect that 9000 people will visit the exhibit in its first week, and that the number of visitors will drop by 10 people per week after the first week during the first 6 months. Find the total number of visitors expected in the exhibit's first 7 weeks.
A. 62,730 visitors B. 44,850 visitors C. 62,790 visitors D. 53,850 visitors
Answer the question.If k < 0, what is the solution set of 
= k?
A. ?
B. {0}
C. (-?, ?)
D. {
}
Solve.Jeremy can stand on one leg for 7.6 min. Express this time in seconds.
A. 414 sec B. 426 sec C. 456 sec D. 384 sec