Find the coordinates of the midpoint of the segment connecting points (9, 5) and ((–1, –7). in your final answer, include the formula and calculations that you used to find the midpoint.

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Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?