Which expression shows the sum of the polynomials with like terms grouped together? (8x+3z-8z^2)+(4y-5z) a). [8x+4y+(-8z^2)]+3z+(-5z) b). 8x+4y+[3z+(-8z^2)+(-5z)] c). [8x+(-8z^2)]+4y+[3z+(-5z)] d). 8x+4y+(-8z^2)+[3z+(-5z)]

What is the value of x in the figure below? if necessary, round your answer to the nearest tenth of a unit. 12 d 4 b оа. 3.1 ов. 6.9 ос. 4 od. 12

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10