If w = -2 and v = -8, which of the following expressions shows the values correctly substituted in for the variables in the expression w 2 - v + 1? -22 - (-8) + 1
-22 - 8 + 1
(-2)2 - (8) + 1
(-2)2 - (-8) + 1

Why do interests rates on loans to be lower in a weak economy than in a strong one

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?