Trey has three pairs of Vans, two pairs of Nikes, and four pairs of Adidas shoes in his shoe bin. One morning, the electricity went out and Trey pulls two shoes at random. Remember each pair of shoes counts as 2 shoes. a) What is the probability that he pulls out two adidas shoes without replacement? Round your answer to the nearest tenth of a percent.

%

b) What is the probability that he pulls out a Vans, decides that's not what he wants, so he replaces it then pulls out two Nike shoes?

Round your answer to the nearest tenth of a percent.

%

What is 32+4 x (16 x 1/2) -2 show your work}

Lems1. the following data set represents the scores on intelligence quotient(iq) examinations of 40 sixth-grade students at a particular school: 114, 122, 103, 118, 99, 105, 134, 125, 117, 106, 109, 104, 111, 127,133, 111, 117, 103, 120, 98, 100, 130, 141, 119, 128, 106, 109, 115,113, 121, 100, 130, 125, 117, 119, 113, 104, 108, 110, 102(a) present this data set in a frequency histogram.(b) which class interval contains the greatest number of data values? (c) is there a roughly equal number of data in each class interval? (d) does the histogram appear to be approximately symmetric? if so,about which interval is it approximately symmetric?

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?