An architect is designing a building that is 200 feet long and 140 feet wide. she builds a model so that the similarity ratio of the model to the building is 1: 500. what is the length of the model in inches?

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?

Solve the equation. 2x - 8(x+1)= 6(2x - 3)

Harry the hook has 7 1/3 pounds of cookie dough.she uses 3/5 of it to bake cookie. how much cookie dough does she use to make cookie?