Which relation is not a function? 1: {(2,-2), (3,-1), (4,0), (5,1), (6,2), (7,3)}
2: {(9,7), (4,1),(3,2), (7, 9), (3, -1), (5,5)}
3: {(6,2), (5,8), (4,13), (11,9), (2,8), (13,4)}
4: {(-5,4), (-3,4), (-1,4), (1,4), (3,4), (5,4)}

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.

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent

Anne plans to increase the prices of all the items in her store by 5%. to the nearest cent, how much will an artist save if the artist buys a canvas and a frame that each measure 24 by 36 inches before the price increase goes into effect?