Find an equation of the tangent plane to the parametric surface x=−4rcosθ, y=4rsinθ, z=r at the point (−42‾√,42‾√,2) when r=2, θ=π/4.

Which compound inequality can be used to solve the inequality 3x+2 > 7? -7 < 3x+2> 7 -7> 3x+27 3x + 2 > -7 or 3x + 2 > 7 3x + 2 < -7 or 3x + 2 > 7

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2