Which expression represents the length of the hypotenuse of the right triangle?
a) r²
b) r² + p²
c) √r + p
d) √r² + p²

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?

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?