a boy is standing 180 metres from the base of a tree. the angle of elevation to the top of the tree is 40°. what is the height of the tree?

A video game was $38. This weekend the game will be marked 13 percent off. How much is the game this weekend?

on an airplane there are two seats on the left side in each row and 3 seats on the right sides. there are 90 seats on right side of the plane. A. how many seats are on the left sid of the plane. B. how many seats are there altogether

What does 8.3 * 10^ - 5 in standard notation

Four out of every five vis visitors at an amusement park buy day passes what percent of the visitors buy day passes

In a crayon box there are 5 dark colors fir every 8 light colors. if there are 20 dark colors, how many light colors are there.

A high school has a total of 850 students. there are 60 more females students than male students. a. write a system of linear equations that represents this situation. b. how many students are female? male?

There are 6 chocolate, 4 strawberry. and 5 vanilla ice. what is the probability that an ice cream chosen at random is a chocolate flavor

The height h (in feet) above the water of a cliff diver is modeled by h=-16t2+8t+80, where t is the time (in seconds). How long is the diver in the air?

A snail travels 3 feet in one hour. In each subsequent hour, the snail travels three-fourths the distance it traveled in the previous hour. How far does the snail travel in 6 hours

A right triangle has legs that are 19 in. and 23 in. What is the area of the triangle