Find midpoint and length of line segment that has endpoints (3,5) and (9,-3)

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

In the rectangle below ac=30 units what is de

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?