Item 14 sand is added to the timer below so that the height of the sand is 30 millimeters. you must answer a trivia question before the sand in the timer falls to the bottom. the sand falls at a rate of 50 cubic millimeters per second. how much time do you have to answer the question?

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

As part of an annual fundraiser to raise money for diabetes research, diane joined a bikeathon. the track she biked on was 1,920 yards long. diane biked 38.5 laps. her sponsors agreed to donate an amount of money for each mile she biked. how many miles did she bike? first fill in the blanks on the left side using the ratios shown. then write your answer. given ratios: 5280ft / 1 mi , 1 mi /5280 ft , 1,920 yards / 1 lap , 1 lap / 1,920 yards , 3 ft / 1 yard , 1 yard / 3 ft. blanks: 38.5 laps / 1 yard x (blank) x (blank) x (blank) = (blank) miles i'm really confused on how to do this, and the explanations aren't exactly . if you could walk me through how to do this, it would be greatly appreciated.

Someone answer this check out the image!