Which expression is equivalent to 3.2y-1/3+(-7y)+2/3 A. -10.2y+1/3
B. -3/8y+1/3
C. -3 7/15y
D. -3y

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]