The circumference of a circle is 31 cm. About how long is the radius of the circle?

Write a recursive sequence that represents the sequence defined by the following explicit formula:

Find the area of the regular hexagon if a side is 20 cm.

Four quarts of a latex enamel paint will cover about 200 square feet of wall surface. how many quarts are needed to cover 98 square feet of kitchen wall and 52 square feet of bathroom wall