Acollege student earned $246, $288, $234, and $ 276 over a four week period. how much he earn during the fifth week to have average earnings of $255 for the five weeks?

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.

Hello i need some with trigonometric substitutions. [tex]\int\limits^a_b {x} \, dx[/tex]

Acircle has a circumference of 28.36 units what is the diameter of the circle