Factor completely.x7 + 7x6 + 10x5
A. x5(x - 5)(x + 2)
B. x5(x + 5)(x - 2)
C. x5(x + 5)(x + 2)
D. x5(x2 + 7x + 10)
Answer: C
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Solve the problem.The combined SAT scores of the freshman class at a particular university are normally distributed with a mean of 1000 and a standard deviation of 100. What percentage of the freshmen class had combined SAT scores above 1110?
Fill in the blank(s) with the appropriate word(s).
Provide an appropriate response.15 is not a prime number because
A. 15 is not divisible by any number except 1 and itself. B. its factor pairs are 3 × 5. C. it has 1 as a factor. D. its factor pairs are 1 × 15, 3 × 5.
Find the slope of the line.x = -10
A. 0 B. 1 C. Undefined D. -10
Solve the problem.A rumor is spread at an elementary school with 1200 students according to the model 
where N is the number of students who have heard the rumor and d is the number of days that have elapsed since the rumor began. How many students will have heard the rumor after 5 days?
Fill in the blank(s) with the appropriate word(s).