The linear combination method is applied to a system of
equations:
1. (4x+10y = 12)
(10x + 25y = 30) -
2. 2x + 5y = 6
-2x - 5y =-6
31. 0 = 0

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25