mariah worked for 3 hours and earned a total of 28.50 witch equation can be used to find r the amount of money mariah earned

Find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

Question 4 of 10 2 points what is the second part of the process of investigating a question using data? a. rephrasing the question o b. describing the data c. collecting the data o d. making an inference submit