Miguel walks 3/4 mile around the high school track in 1/2 hour. how far can he walk in 2 hours

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?

Pranza plotted point a in the coordinate plane below.

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?