Who was the hellenistic (greek) mathematician who invented the compound pulley and is known for his work with the laws governing simple machines?

a. pythagoras

b. euclid

c. achimedes

d. hippocrates

Which facts are true for the graph of the function below? check all that apply. f(x) = log8 x

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x

Ms. ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms. ortiz charge per kilogram of tomatoes to make on a load of tomatoes?