How can you tell an equation is linear? example: 22x-14y=65

In a school 2/3 of the students study a language of those who study a language 2/5 study french

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

One integer is 5 more than another. their product is 104. find the integers