Commuter trains depart from North Station every 10 minutes. Subway trains depart every 3 minutes. A subway train and a commuter train both leave the station at 8:15. How long will it be before the subway train and the commuter train departs again at the same time? What time will that be?

Which of the binomials below is a factor of this trinominal? x^2-13+30

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin