Which expression forms an equation with the given expression? 18 - 4x3 =
O 8x3/4
O 3(12-9)
O 14 - 11x2
O 12/3 + 3

7x+8y=-18, 4x-9y=-3 solve the system of equations

The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6