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Which expression can be used to determine the slope of the line that passes through the points (-7, 3)
1-(-7)
-9-3
1+(-7)
-9+3
-9-3
1-(-7)
-9+3
1+(-7)

Abiologist is recording the loss of fish in a pond. he notes the number of fish, f, in the pond on june 1. on july 1 there were 63 fish in the pond, which is 52 fewer fish than were in the pond on june 1. which equation represents this situation? a. f – 52 = 63 b. f – 63 = 52 c. 63 – f = 52 d. f – 63 = –52

Frank owns a $141,000 home, for which he has a 30-year mortgage in the amount of $700 a month. once he has paid off mortgage, how much will he have paid in investment? a. $111,000 b. $109,000 c. $120,000 d. $141,000

Determine if the equation defines y as a function of x: 2xy = 1. yes o no