Use standard notation to write this number. 4.045x10^-3

What is the product? (x2+3y+7) [yy+1)

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)