Ihave 3 pieces of candy to place in 4 lunch boxes. in how many ways can i do this if: (a) the candies are all the same and the lunch boxes are all different? (b) the candies are all different and the lunch boxes are all the same? (c) exactly two of the candies are the same (but the third is different) and all of the lunch boxes are different? explain your work in detail.

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.

If you have the following equation, 2/3x+5/6-x=2-3/4x what would you multiply each term by to get rid of all the fractions

The suare root of 9x plus 7 plus the square rot of 2x equall to 7