Multiply.(x2 - x + 9)(x + 5)
A. x3 + 4x2 + 4x + 45
B. x3 + 45
C. x3 + 4x2 + 45
D. x3 + 6x2 + 14x + 45
Answer: A
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Solve.Muffy buys pencils, sharpeners, and erasers from the bookstore for her class. She bought 4 more pencils than sharpeners and 5 fewer erasers than sharpeners. A pencil costs 21 cents; a sharpener costs 39 cents; and an eraser costs 20 cents. If Muffy spent a total of $13.44, how many erasers did she buy?
A. 22 erasers B. 21 erasers C. 17 erasers D. 12 erasers
Solve the problem.The number of people who have committed violent crimes (per 100,000 people) in the U.S. during various years are listed in the table below.
Let N represent the number of people who have committed violent crimes (per 100,000 people) in the U.S. in the year that is t years since 1927. Find an equation of a linear model to describe the data.
What will be an ideal response?
Perform the indicated operation where possible.
- 
A. 
B. 
C. 
D. 
Evaluate the indefinite integral.
