Ms. Erwin drove on a freeway in Germany at 160 kilometers per hour. which of the following is faster than her speed? a.100 km in 45 min b.80km in 30 min c.50 km in 20 min d.3km in 1 min please help:(​

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

100 points? me its important ‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️

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