Length=20cm long Breath=14cm long Formula of Area of a rectangle -length X breadth Formula of Area of a square=(Side) or (5)2 Area of a triangle= base x perpendicular height Cost of painting: 1cm² = R5,00 Questions Measure the surface area of the house. Show all calculations. 1.1 Surface area of the walls 1.1.1 Surface area of the two longest sides.​

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,