Helen wants to buy round plates for her mother. the radius of plates is 1 foot. what is the plate’s circumference?

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?

Plzzz answer both questions and i will give you 100 points

What is the value of x? enter your answer in the box. x =