Answer:
1st and second, unless you have already learned area of trapezoids. If you have, add third
Step-by-step explanation:
As the exterior angles always add up to 360, you can find the number of sides by dividing 360 by the measure of your exterior angle, 30. This gives you 360/30=12, meaning your polygon has 12 sides.
Answer:
1
Step-by-step explanation:
-2 + (-4) = -6 + 7 = 1
evaluate = solve
Answer:
She bought 2 videos and 8 CDs.
