GUYS PLS HELP DONT TROLL OMG HELP HELP HELP IM GIVING 25 POINTS!!! Find the error in the student's domain and range determination below. Then explain how you would fix the error.

42. if 20 men can eat 200 kg of wheat in 40 days, then 10 men can eat 300 kg of wheat in how many days? a) 120 days b) 60 days c) 80 days d) none of these

Simplify the expression below -3(10x+4y)+6(6x-2y)

David is standing on the sixth rung of a ladder while painting his house. which expressions represent a change in david’s position of 2 rungs on the ladder? choose exactly two answers that are correct. a. 6+2 b. 6-2 c. 2x6 d. 6/2