PLS HELP 35 POINTS A line passes through the points (-2,9) and (1,3).

What is the slope?

What is the y-intercept?

What is the slope-intercept form?

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.