Please help thank you In the complex number a+bi, a is called the Select Answer and b is called the Select Answer

option choices
imaginary part
real part
complex part
radicand

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )

Which graph represents the given linear function 4x+2y=3