What type of solution does this system of equation have? If it is one solution, identify the solution. x – 2y = -4, 2x – 4y = -8. Show your work.

Which best explains why this triangle is or is not a right triangle?

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k