Multiply the polynomials using a special product formula. Express the answer as a single polynomial in standard form.(7x + 10)2
A. 7x2 + 140x + 100
B. 49x2 + 140x + 100
C. 49x2 + 100
D. 7x2 + 100
Answer: B
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In order to determine how American undergraduate college students feel about eliminating spring break in order to finish spring term a week early, a survey was conducted. Two hundred undergraduate students from the University of Miami (FL) were interviewed. Both of the interviewers hired to conduct the survey were told to interview 25 freshmen, 25 sophomores, 25 juniors, and 25 seniors. Of the 200 students interviewed, 20% were in favor of the elimination of spring break, 70% were opposed, and 10% had no opinion.The sampling frame for this survey
A. does not overlap the target population. B. is the same as the target population. C. is larger than the target population. D. is smaller than the target population. E. none of these
Solve.A musician plans to perform 5 selections for a concert. If he can choose from 8 different selections, how many different ways can he arrange his program?
A. 32,768 B. 6720 C. 40 D. 56
Factor out a factor with a negative coefficient.-2x2 + 16x
A. 2(-x2 - 8x) B. -2x(x - 8) C. -2x(x + 8) D. 2(x2 + 8x)
Find the reciprocal.
A. 
B. 13
C. 
D. 