Acar rental agency initially offers a car that can go 304 miles on 19/2 gallons of gasoline. there are other vehicles available at the agency, shown below. which of the other cars have a greater unit rate of miles per gallon than the recommended car?
a) 187 miles on 17/2 gallons
b) 357 miles on 21/2 gallons
c) 216 miles on 27/2 gallons
d) 209 miles on 11/2 gallons
e) 115 miles on 5/2 gallons

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.