Davie and horatio are riding their motorbikes on a scenic tour that is 80 miles long. davie rides at 20 miles per hour and leaves 90 minutes before horatio. how fast must horatio ride to finish at the same time as davie?

What is the greatest common factor of 6a, 8a^{2}, and 14?

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?

What number line represents the solution set for the inequality -1/2 greater than or equal to 4