What is half the sum of a number and sum

True or false? many triangular shapes can be circumscribed about a given circle

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie