An envelope is 15 centimeters wide, and it measures 17 centimeters along the
diagonal. How tall is the envelope?

A 22.7

B 1.4

C 5.7

D 8

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?