Last year , there were 400 students at woodland middle school . this year , the student population will increase by 5% . what will be the schools student population this year?

Nell has a sales clerk job that pays $12 per hour for regular gas work hours. she gets double time for any hours over 40 that she works in a week. how many hours did nell work if her weekly pay was $744

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

Aculture started with 2,000 bacteria. after 8 hours, it grew to 2,400 bacteria. predict how many bacteria will be present after 19 hours . round your answer to the nearest whole number. p=ae^kt