Answer the following, !
1. jamal has 1,240 songs on his mp3 player, and 40% of the songs are rock songs. how many of the songs are not rock songs?
2. rianda bought 32 apples. she set aside 25% to eat and divided the rest equally among 6 pies. how many apples are in each pie?
3. the math class has a set of 40 calculators, and 85% of the calculators have working batteries. how many calculators need new batteries?

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 me what is the area of this figure? 18m 18m 8m 16m

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent