What is the value of 8x + 2y when x = 5 and y = 9?

Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}.

If you measured the width of a window in inches and then in feet with measurement would you have the greater number of units

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?