PLEASE HELP 1/8 of the population of Sara's aquarium is guppies, and 1/4 of the population is angel fish. Which choice is the MOST reasonable for the part of the aquarium's population of guppies and angel fish?
A. 1/8
B. 1/4
C. 3/8
D. 1/2

Which of the following questions is a statistical question? (2 points) how many professional sport leagues are there? where do the professional sport leagues play? how many hours of professional training took place over the weekend? how many hours do you spend each week training for a sports league?

Angel entered a triathlon (a three-part race). he swam 1 mile, rode his bike 30 miles, and ran 10 miles. how far did he go altogether? a. 11 miles b. 123 miles c. 41 miles d. 40 miles

Percent increase and decrease. original number: 45 new number: 18