Identify a complex number as a vector quantity

Solve the word problem. the table shows the low outside temperatures for monday, tuesday, and wednesday. by how many degrees did the low temperature increase from monday to tuesday? this function table shows the outside temperature for a given a. 21.1⁰ b. 8.6⁰ c. 4.9⁰ d. 3.9⁰(the picture is the graph the the question is talking about.)

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Evaluate cos2θ for cosθ = square root of 3/2