PLEASE HELP WILL MARK BRAINLIEST

data set a= 4.5

Data set b= 5

Step-by-step explanation:

data set a: 3+4+4+4+5+5+5+6=36

36÷8= 4.5

Data set b: 3+3+3+4+4+5+5+6+6+7+7+7=60

60÷12=5

y-1700=200(x+4)

step-by-step explanation:

200(x+4) is 200x + 800 she is saving 200 per week x is the weeks and the -1700 is. us that’s howmuch she already had