What’s the expanded form and single power for the two boxes?

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

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

Anature center offer 2 guided walks. the morning walk is 2/3 miles. the evening walk is 3/6 mile. which is shorter