The sum of the digits of a two digit number is 8. when the digits are reversed, the number increases by 36. find the original number.

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.