The price of a cup of coffee was $2.45 yesterday. today, the price rose to $2.80. find the percentage increase. round your answer to the nearest tenth of a percent.

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

2x minus y equals 6, x plus y equals negative 3

Jim had 15 minutes to do 5 laps around his school what would his time be