What is the remainder when (3x^4+2x^3-x^2+2x-19)÷(x+2)

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.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?