Write the following equations in slope-intercept form.5x+y=30

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.

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

If you could answer these your a life saver