A differentiable function f(x, y) has the property that f(5,4)=2 and fx(5,4)=−7 and fy(5,4)=1. Find the equation of the tangent plane at the point on the surface z=f(x, y) where x=5, y=4.

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.

Azul has 4 green picks and no orange picks.you add orange picks so that there are 2 orange picks for every 1 green pick.how many picks are there now.

Which graph correctly represents the equation  y=−4x−3? guys me iam not trying to fail summer school and will offer 40 points for who ever me with the next 3 problems and will give brainlest