If m∠4 = (3x)° and m∠8 = (x + 40)°, what is the measure of ∠4?
∠4 and ∠8 are vertical.

a.
20˚
b.
60˚
c.
40˚
d.
120˚

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

Arecipe uses 2 cups of sugar to make 32 brownies. how many cups of sugar are needed to make 72 brownies?

Complete the input-output table for the linear function y = 3x. complete the input-output table for the linear function y = 3x. a = b = c =