An airplane descends at a rate of 2,700 feet per minute. Once the airplane starts its descent, what will be its change in elevation after 3 1/2 minutes? Enter your answer in the box.

What is the distance between the points (2, 5) and (5,9)?

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?

Last week jason walked 3 1/4 miles each day for 3 days and 4 5/8 miles each day for 4 days. about how many miles did jason walk last week?