What is the first step used in solving this equation 2x+9y=28 and 3x-3y=14. identify the variable that will be solved for when you add these equations

What is x3+3x2−16x−48 divided by x−1?

Jonathan can throw a baseball 10 1/3 yards. his brother joey can throw a baseball 13 1/2 yards. how much father can joey throw the ball?

The students in a class were asked how many siblings they have. the data obtained is represented in the dot plot. the number of students who have no siblings is . the number of students who have three or more siblings is .