Billy deleted 64 songs from his mp3 player. if the ratio of songs he deleted to songs he kept was 8: 3, how many songs did he originally have on his mp3 player?

The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!