Figure out the linear equations
(0,0) (2,4)

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

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)