Cuántos lados tiene un polígono que sumando sus ángulos internos da 13320 grados

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Which of the following vectors are orthogonal to (2,1)? check all that apply

Will give brainliest b. describe the function over each part of its domain. state whether it is constant, increasing, or decreasing, and state the slope over each part.