Solve the quadratic equation 8x - 5x - 4 = 0
Give your answers to 3 significant figures.

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?

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?

Choose the correct translation for the following statement. it is at most ten. x< 10 x< 10 x> 10 x> 10