You own 6 pairs of jeans and want to take 2 of them with you on vacation, in how many ways can you choose 2 pairs of jeans?
a-10
b-12
c-15
d-20

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.

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

Explain how you could use the interactive table to tell if sets of points are on the same line. math 8