On an airplane, there are 2 seats on the left side of each row and 3 seats on the right side of each row. there are 90 seats in the right side of the plane.

a. how many seats are in the left side of the plane?

b. how many seats are there altogether?

Need solving this second acceleration problem.

3x + 4y = 5 x- 3y = -7 solve by substitution

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.