If the diameter of a circle is 7/2, what is the radius, circumference in terms of pi and what is the approximate circumference? you so much to whoever answers

What kinds of numbers make up the set of numbers called the real numbers? give examples when you explain a number type. there are a limited set of types of numbers, but an unlimited number of examples of these numbers.

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

Find the distance between (0,5) & (-4,2)