Ineed hell isolate the variable x. x - 5 > 10

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

Question 5 of 10 2 points if a population is a sample of the population could be a. registered voters; all citizens o o b. baptists; all religious people o c. people who purchased shoes; all customers o d. the entire school faculty; math teachers