Your friend isn’t sure what size waist he is. He measures himself with a tape measure. What waist size is he in inches?

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?

Which choice has the correct steps in graphing the solution set to the following inequality? -45_> 20x-5y

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?