3). (1 point each) Angle problems:
Find angle "A" in each of these figures.
a).

A = ________		 b).

A = ________
c).

A = ________		 d).

A = ________

4). (1 point each) Negative numbers:
a). 4 - 5 = b). - 10 + 4 = c). - 5 - 5 =

d). - 8 + 8 = e). ( - 3) ( - 3) = f). (+ 8) ( - 8) =

g).
h). - ( + 8) = i). - ( - 6) =

j). 4(10 - 16) =

k). I woke up at 6 am and the temperature was +9o. The weather report said the temperature was going to drop (go down) 3o per hour for the next 10 hours. What temperature will it be at noon, according to this forecast?

Answer: ____________