You are building a rectangular dog pen with an area of 90 ft^2. you want the length of the pen to be 3 ft longer than twice its width. which equation can you use to find the width of the pen?

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Which of these triangle pairs can be mapped to each other using two reflections?

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)