use quadratic regression to find the equation for the parabola through these 3 points (5, 210) (1, 14) (-3, 10).​

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.

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?