In a floor área of 1600 sq ft there are 3 displays of 6 Feet ir radius and a 48 square foot rectangular station there must be a 4 foot walkaway aro un each is there enough space?

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.

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?