What is the Valois c^2 + 7 when c= 5

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

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