A tire can hold c cubic feet of air . It loses a percentage of its air during each period of time t . This rate of loss , written as a decimal , is r . This situation can be described using the following formula : C(1-r)t. What effect if any does increasing the value of r in the value of c ?

43lbs of tomatos cost $387. how much would 41lbs cost

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

2/3(-6y+9x) expand each expression using the distributive property