Which relation is a function? A. {(6,3), (8,3), (9, 3), (2, 3)}
B.
{(2, 2), (6, 1), (-4, 8), (6,5)}
C.
{(8,3), (2, 5), (4, 6), (2, 0)}
D.
{(3, 8), (1, 5), (6, 8), (3, 8)}

Timmy uses 1 1 2 cups of sugar for every 2 gallons of lemonade he makes. how many cups of sugar would timmy use if he makes 13 gallons of lemonade?

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?

Fast! find the length of cu. the triangles are similar. show your work.