Which of the following is an even function?
f(x) = |x|
f(x) = x3 – 1
f(x) = –3x
f(x)= 3 square root of x

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

1. are the corresponding angles congruent 2. find the ratios of the corresponding sides 3. is triangle jkl congruent to triangle rst? if so what is the scale factor

How can you construct perpendicular lines and prove theorems about perpendicular lines