There are a total of 108 bikes. if the ratio of blue bikes to black bikes is 4 to 5,how many of the bikes are blue

If you answer right ill give brainliest, : )

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

Which expression shows the sum of the polynomials with like terms grouped together