What is the exterior angle of a regular nonagon

Which equation requires the division property of equality to be solved?

Y=4x^2+x-1 solve using quadratic formula

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.