I’ve done this before and i got it right, but sadly i forgot how to do it : ( does anyone know how to solve ?

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.