Someone can answer this?
x + y + 2 and x - y - 1

To ? nd out how many students are unhappy with the dining hall food, you distribute a survey. which method of surveying would produce the least amount of bias in your data?

This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3

The triangles are similar. what is the value of x? show your work.