Two families are saving up for a summer trip. the smith family originally has $1000 and will save $50 every week. the jones family originally has $500 and will save $75 every week. after how many weeks will the two families have saved up the same amount of money?

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters