Simplify (x - y + 1) - (x + y - 1).
a.) 2x - 2y + 2
b.) -2y + 2
c.) o zy-2
d.) 2x + 2y

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be able to prepare using the sauce?