If 6 + x + y = 20 and x + y = k, then 20 - k =

A certain recipe calls for 2 cups of sugar and cups of flour. what is the ratio of sugar to flour in this recipe?

Solve the following system of equations by substitution and select the correct answer below: 6x - 4y = 36 2x - 8y = 32 x = 4, y = 3 x = 4, y = - 3 x = - 4, y = 3 x = - 4, y = - 3

Rachel needs two tables for her birthday party. How many chairs will she need 1. 6 2. 12 3. 18

Find two different fraction whose sum is equal to 1.

In a 30-60-90 triangle, how many sides do you need to know in order to determine the remaining sides? 2 0 1 3

Find two numbers whose product is 20 and whose sum is 12

Round 7.92 + 5.37 to estimate

You travel for 450 miles and it takes you 7 hours. What is the average rate?

What is a real world problem for 2 (n+20) = 110

How would you solve 7x-1/2 (8x+2) = 6