The angle of elevation to the top of a tall building is found to be 9° from the ground at a distance of 5299 feet from the base of the building. Using this information, find the height of the building.'

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

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?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?