John wants to measure the height of a tree. He walks exactly 100 feet from
the base of the tree and looks up. The
angle from the ground to the top of the
tree is 330. How tall is the tree?

How many grams must be adde to 970g to make 1 and a half kg

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?