There are 42 rolls in the cafeteria.
how can they be divided into 2 groups so that they are in a ratio of 2: 5. how many rolls will be in each group?

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Solve the triangle. a = 21°, c = 105°, c = 5

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)