Refer to Exhibit 4-8. If the wheat market is in competitive equilibrium the producers’ surplus will equal Group of answer choices

area 1 + 2 + 3
area 1 + 2 + 4
area 3 + 5
area 1 + 2 + 3 + 4 + 5
area 6

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

8.74 rounded to the nearest whole number

Triangles abc and dfg are given. find the lengths of all other sides of these triangles if: b ∠a≅∠d, ab·dg=ac·df, ac=7 cm, bc=15 cm, fg=20 cm, and df-ab=3 cm.