6 + 2(7 + 2n) = 8/7 - 4n)
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How do you find the area of this triangle.

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.

225/100 of last years cost. write each fraction as a decimal and as a percent