What type of sequence is the following numbers? 2.5, 5, 10, ...

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

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)