1. what was it 4 h 30 min before 9:50 am?
2. tennis instruction at camp Cherokee is for 45 minutes a day 4 days a week. how many hour a week is this?
3. a plane flies from phoenix to Memphis in 3 hours and 20 minutes. it left phoenix at 2:50 pm mountain time. at what time did it arrive in Memphis (central time).

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Harry and jay are both flying on the same plane with an airline that randomly assigns seats to passengers. of the 182 total seats on the plane, 62 are window seats, 58 are middle seats, and the rest are aisle seats. what is the approximate probability that both harry and jay will be assigned aisle seats on the same plane? a. 11.48% b. 3.3% c. 2.08% d. 26.26%

Which geometric principle is used to justify the construction below?