Sarah’s mom got her a Math tutor because she scored a 65 on her first math test. After getting some extra help, she scored a 69 on the second test, a 73 on the third test, and a 77 on the fourth test. If this pattern continues, on what test will Sarah score a 93?

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling