Which variable would be eliminated if we add the following equations together? *
6p + 39 = 15
-6p + 59 = -7

a. р
b. none
c. both
d. a​

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

Ineed i been stuck on this question since yesterday

Evan went to the park and saw for animals each animal was either a duck or dog if he saw a total of 14 legs how many of each animal did he see