When is a < |a|?
awhen a > 0.
bwhen a > 0.
cwhen a = 0.
dwhen a < 0.
e never.
f when a is a fraction.

If the measure of xyz is 81 what is the measure of yz

What expression is equivalent to 1/2(2+3x-6)

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable