7. Are the lines defined by the equations 3x + 4y - 8 = 0 and 8x -6y - 66 = 0 parallel, perpendicular or neither? Clearly explain in full sentences.

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.

Simplify the expression. -2/5(10+15m-20n)

You are designing a rectangular pet pen for your new baby puppy. you have 30 feet of fencing you would like the fencing to be 6 1/3 feet longer than the width