Find the indicated decile or percentile.The weights (in pounds) of 18 randomly selected adults are given below. Find the twenty-eighth percentile, P28.
A. 127
B. 138
C. 132
D. 143
Answer: D
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Estimate the sum or difference by first rounding each value to the indicated place value.55.017 - 1.8911
round each to the nearest one
A. 53 .2 B. 53 C. 53 .1 D. 54
Graph the system of inequalities, and find the coordinates of the vertices.3x + 2y ? -12,x - 2y ? -4,y ? 6
A. 
B. 
C. 
D. 
Factor the polynomial using the greatest common binomial factor.2x(x - y) + (x - y)
A. 3x(a - y) B. (x - y)(2x + 1) C. (2x2 + 2y) + (x - y) D. 2x(x - y)
Solve the problem.You drive 123 miles along a scenic highway and then take a 25-mile bike ride. Your driving rate is 4 times your cycling rate. Suppose you have no more than a total of 7 hours for driving and cycling. Let x represent your cycling rate in miles per hour. Write a rational inequality that can be used to determine the possible values of x. Do not simplify and do not solve the inequality.
A. 
+ 
? 7
B. 
+ 
? 7
C. 
+ 
? 7
D. 
+ 
? 7