ASAP part A, B and C

True or false? a triangle can be circumscribed about a given circle

Which of the following equations is of the parabola whose vertex is at (4, 3), axis of symmetry parallel to the y-axis and focus at (4, -3)? a.) y+3=1/24 (x+4)^2 b.)y-3=-1/24 (x-4)^2 c.)x-4=-1/24 (y-3)^2

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?