Write a word problem for the equation:
7+x = 15

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

What is the perimeter of an equilateral triangle if each side is (x+3)?

Which of the following points is a solution to the system of equations shown? y - x = -1 x + y = -5