Matthew said the function shown in the graph is positive on the interval (-1,5) and negative on the interval (-5, -1).what Matthew did wrong and correct Matthew's error?

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?

Find two consexutive odd integers such that the sum of their square is 650

Write the equation in general quadratic form: plz !