Alanna plants a tree that is 2 feet tall. The tree grows ¾ foot per year. Write a linear model that gives the height of the trees in terms of the number of years since they were planted.

Which is the most efficient first step to solve x in the equation 3.7x - 18 = -4.3x -34 a. add 3.7x to both sides of the equation. b. add 4.3x to both sides of the equation. c. subtract 18 from both sides of the equation. d. subtract 34 from both sides of the equation.

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

If 20% of a number is 35, what is 50% of that number?