For the last on you need to set up a proportion with the degrees. You know the arcs add to 360 and that small section is 120 so you set it equal to x over the entire area. X is the answer. The formulas are next to all answers
D.
you cannot have a negative amount of rainfall, so the predicted value of -32.4cm doesn't make sense.
The dimensions will be 5 in by 6 in
you would divide the numbers by 3 and thats what u would get
Hope I helped ;)
.895
21.48 divided by 24 is .895 or rounded it is .9