Solve for X and Y

I will mark brainliest !!

Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?