90% of the seniors at Richmond high school will attend the school prom. If 270 seniors attend the prom, how many seniors go to the high school?

Multiply. write your answer in simplest form. 3/8 x 5/7

Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4

Officer brimberry wrote 32 tickets for traffic violations last week, but only 4 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.