Which expression represents the difference of 15 and s, increased by 4? A. (15 + s) - 4
B. (4 + s) + 15
C. (4 - s) + 15
D. (15 - s) + 4

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Oliver had $50 on the day before his birthday. after he recived some money for his birthday , he had $75. write and solve eqaution to find how much money oliver received for his birthday. x+50=75

Afarmer has decided to divide his land area in half in order to plant soy and corn. calculate the area of the entire area so he knows how much soil is needed. each bag of soil covers 20 square yards. how many bags should the farmer purchase? (4 points) 1 bag 2 bags 3 bags 4 bags