Which table shows a proportional relationship between x and y? A: 3,4,5 B: 9, 12, 20 ; A: 20, 24, 32 B: 25, 30, 40 ; A: 4, 5, 6 B: 12, 15, 24; A: 3, 6, 12 B: 4, 9, 16

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

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.