A football is kicked into the air. The relationship between x, the number of seconds since the ball was kicked, and f(x), the height of the ball in feet, is represented by the function shown. F(x) = –16x2 + 40x + 4 What value(s) represents the approximate time the football was 28 feet above the ground?

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

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?

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.