Ineed with math homework or i get a detention

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

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)

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?