What is the percent of decrease from 90,000 to 60,000? Round your answer to the nearest tenth of a percent and include a percent sign (%).

List the elements of the set in roster notation. (enter empty or ∅ for the empty set.) {x | x is a letter in the word hippopotamus}

If the car had not hit the fence, how much farther would it have skidded? solve the skid-distance formula to find the extra distance that the car would have traveled if it had not hit the fence. round your answer to two decimal places. note that unit conversion is built into the skid distance formula, so no unit conversions are needed.

The graph represents f(x)=[x]+3. what is f(-2.2)?