CAN SOMEONE PLEASE HELP ME The expression (y – 9)2 is equivalent to which expression. Simplify and write in standard form. Show your work.

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

What is the solution of the systems of equations? y=2/3x+3 x=-2

Which of the following is true about the graph of f(x)=7^x. select all that apply. a= it intercepts the x axis b=it intercepts both axis c=it intercepts neither d=it intercepts the y axis