A tree casts a shadow that is 150 feet long. If the angle of elevation from the tip of the shadow to the top of the tree is 30°, how tall is the tree to the nearest foot?

The area of a wetland drops by 1/4 every 8 years. What percent of its total area disappears after 40 years? Percent lost %?

Mrs, Jones is making pizza, and she uses 20 slices of pepperoni on each pizza. The number of pepperoni slices she needs depends on the amount of pizza she makes. True or false

If the height of a right triangle is 24 inches and the the area of the triangle is 120 square inches, what is the length of the base?

Ariana starts with 100 milligrams of a radioactive substance. The amount of the substance decreases by 20% each week for a number of weeks, w. The expression 100 (1-0.2) w finds the amount of radioactive substance remaining after w weeks.

A store sells 4 cans of nuts for $9. How much would it cost you to buy 7 cans of nuts?

At the newest animated movie, for every 9 9 children, there are 4 4 adults. There are a total of 3 9 39 children and adults at the movie. How many children are at the movie?

Solve the equation 7h-5 (3h - 8) = - 72

Cuanto es dos más dos

F (x) = 3x + h f (h-1) = 5

Jeremy swims 5 3/5 Kilometer in a seven day he swims the same distance each day what distance does he swim in a day