Tonya saved $564 in one year. If she saved the same amount each month, how much did Tonya save in tow months

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236

What is the circumference of the pie