Can someone walk me through number 9 ?

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?

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?