Jesse dyes dresses. she had to dye 30 dresses. she has so far finished 20 dresses. what fraction of dresses has she finished?

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

This is so hard and it’s for a test

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2