Tan√x
find from 1st principle of derivative ​

If 25% of y is 30, what is 60% of y?

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)

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120