The angle of elevation of the top of a tower from a certain point is 30 . if the observer moves 20m towords the tower, the angle of elevation of the top incresed by 15.find the height of the tower.

For what is the measure of the angle at the top of the shed? a. multiplication of areas b. squaring of areas c. addition of areas d. division of areas

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96