Clarence estimated the number of marbles in a jar as 500. There are actually 420marbles in the jar. What is the percent error of his estimate? Round to the nearest tenth percent if necessary.

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

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?