Pls help with math !

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

What is the point-slope equation of a line with slope -5 that contains the point (6,3)