Which equation is the best linear model for the data found in the the scatter plot?

a. y = 2.1x + 2.3
b. y = 2.3x + 2.6
c. y = 2.0x +2.2
d. y = 2.5x +2.2

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

Zahra runs a 500-meter race at a constant speed. which graph shows her distance from the finish line during the race?

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