HELP! THIS IS DUE TODAY AND ITS A TEST! Jack needs 7.58 meters of wood to complete a school project. He buys a 2.25 meter plank of wood and a 3.12 meter plank of wood. How many more meters of wood does Jack need to buy for his school project?

In the past, professional baseball was played at the astrodome in houston, texas. the astrodome has a maximum height of 63.4 m. the height of a baseball t seconds after it is hit straight up in the air with a velocity of 45 ft/s is given by h = -9.8t2 + 45t + 1. will a baseball hit straight up with this velocity hit the roof of the astrodome? use the discriminant to explain your answer.

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12