Use the order of operations to find the value of the expression. 2 + 3 × 16 − 2 × 21 − 3

How many $20 bills do you need to have to make $280

Identify the number 127 as a rational or irrational. explain

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)