Can you guys just tell me if it's true or false please, it's urgent.

a)the radius of a circle is twice its diameter

b)to find the diameter of a circle, divide its circumference by (pi)

c)the circumference of a circle is greater than its diameter

d)the circumference of a circle is twice its radius

e)to find the diameter of a circle, multiply its radius by two

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer