Which ordered pairs are solutions to the inequality 2x + y > 8 ? choose all answers that are correct.

question 10 options:

(3,2)

(-1,9)

(5,-1)

(4,3)

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?