Convert 9421mm to metres

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)

If f(x) = -5x + 1 and g(x) = x3, what is (gºf)(0)? enter the correct answer