Write the answer to each problem in terms of the variable.
two numbers have sum of 34. one of the numbers is r. what expression represents the other number?

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

Aflagpole broke in a storm. it was originally 8 1 81 feet tall. 2 8 28 feet are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground some distance away. how far away is the end of the pole from the base of the pole along the ground?