Luke has 5$ more dollars than sam together they have 73$ how much money does each have

For the right triangle shown, the lengths of two sides are given. find the third side. leave your answer in simplified, radical form.

Anumber is equal to twice a smaller number plus 3. the same number is equal to twuce the sum of the smaller number and 1. how many solutions are possible for this situation

X=-3y-5 3x+9y=7 how can u solve this?