If 2 out of 8 grapes are green, how many green grapes will there be per 100 grapes total

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.

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase