Solve the system by substitution
2x-3y=20
x=-2y+3

Trigonometry hellllllpppppppp asap

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

Can someone me with the property questions for 12 13 and 14 plz