For which value of x is the relation not a function? {(3,1),(x,0),(9,5),(12,6)} A) 1 B) 3 C)8 D) 6

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Why is studying fractions important