3. Simplify. A. q3 • q • q6 • q B. –3xy3 • 2x3y

Three coins are flipped. what is the probability that there will be at least two tails?

Find the domain of the following expression: 1/(√x)-2

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)