Chris and heladio shared a pizza. chris ate two more than twice as many pieces as heladio, who ate 3 pieces. if there were 3 pieces left, how many pieces were there initially? use the work backward strategy.

Aresearch company wants to test the claim that a new multivitamin to improve short term memory. state the objective of the experiment, suggest a population, determine the experimental and control groups, and describe a sample procedure.

Consider the function f(x)=-5x+3 what is f(-2)

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?