Which expression is equivalent to
O-4-12x
O -4+ 2x
O4-12x
O4+ 12x

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

What are the exclude value of mn+3m

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how