Anumber in which each digit except 0 appears exactly 3 times is divisible by 3. for example, 777,555,222 and 414,143,313 are divisible by 3. explain why this is true

What is the volume of the sphere shown below with a radius of 3?

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250