Brett has 96 buttons. He gives away b buttons. Write an expression that shows the number of buttons Brett has left. Type an asterisk ( * ) if you want to use a multiplication sign and a slash ( / ) if you want to use a division sign.

Which expression is equivalent to? assume x > 0 and y > 0.

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.

From the top of a tree a bird looks down on a field mouse at an angle of depression of 50°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.