Use the distributive property to simplify 1/6 × (36+1/2)

1. during first 10 seconds 2. between 10 seconds and 35 seconds 3. during 35 seconds to 40 seconds

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.

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