Help... plz ASAP 100 POINTS
Will mark brainliest

Easiest method plz no photomath method cuz I don’t understand that

Like after this equation it’s:
The step that I did is

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?

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.