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-4x+5y=7
8x-10y=-15

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

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

Y= a(x-3)squared-1 what is the value of a