1. What is the solution to the system of equations? Use the substitution method to solve the system of equations. Show all of your work!

y = x + 5

4x - 4y = - 20

What is the answer to the problem

20 pen cost $1.60 write the unit rate

What is the expression to match the words three times the sum of 8 and 4

What is 580,497 written in standard form

A soup company offered to donate 40 for every soup can label a school turned in. Forty three students at Audubon School each brought in 25 soup can labels how many soup can labels did all the students bring in

How are solutions interpreted as a viable or non-viable

What is the solution to the compound inequality in interval notation? 4 (x+1) >-4 or 2x-4≤-10

Region R is bounded by the lines y=4, x=6, the y-axis and the x-axis. Region R is rotated about the line y=-2. Find the volume of Region R after being rotated.

There are eight houses on Jeremiah Street each house has one willow tree six apple trees and two olive trees how many trees are on Jeremiah Street

Judge whether the following statements are true or false. Suppose a 95% confidence interval for the proportion of students who drink alcohol at TAMU is (0.61, 0.67). a.