a professor drives 325 miles in 5 hours in order to attend a conference. it appears that he uses 20 gallons of gasoline which costs him a total of $51.2. he conducts a 2 hour training session in the conference , for which he earns a honorary token money of $200 compute the gasoline cost rate as dollars/gallons unit. $2.56 $2.56/gallon $4/gallon

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.

Which of the following is the true for f(x) = 5cos

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?