Which part of fire extinguisher should be pointed at a fires source
a) w
b) x
c) z
d) y

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

What is an alternate exterior angle

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.