The sum of the two numbers is 84. One number is three times as large as the other number. Find the numbers.

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.

What expression is equivalent to (2x-1)(x-3)?

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.