Answer:
The answer is she sold 20 labradorite crytals and 3 galena crystals.
Step-by-step explanation:
First you times 20 x 20 and get 400 and then times 13 x 3 and get 39 and 400 plus 39 equals $439.
Answer:
WHAT
Step-by-step explanation:
The correct answer is b) (-3, 6).
This point forms a vertical line with L and a horizontal line with M, so it forms a right angle.
Well if my math is correct, x= -7, meaning 4x-4= (4*-7)-4. That equals -32.
Hope this helps.