Can you please help me with this

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

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

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6