Select the graph that represents the given set b = {(1, 2), (2, 1), (3,0), (4,-1)}

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

What statement is true? 2x^2-9x+2=-1