The graph shows the increase of the temperature over time in an oven what is the change in the y value and x value on the graph

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?

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.