suppose that g is a finite abelian group and contains two distinct elements a, b of order 2. show that a*b also have order 2​

Ajar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. find the probability of drawing a white or red marble on the first draw. 125 12 01 next question ask for turn it in

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank