There are 13 fish in an aquarium. seven of the fish are guppies. how many non-guppies are in the aquarium? a. the number of guppies. b. the number of non-guppies. c. the total number of fish.

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

Mr.zimmerman invested $25,000 in an account that draws 1.4 interest, compouneded annually. what is the total value of the account after 15 years