PLEASE HELP ASAP I NEED THIS DONE BY TODAY. ILL GIVE YOU AN ADDITIONAL 50 points. You have to split the shape into two triangles and a rectangle and then add the sums of the areas. HELP!!!

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

A50% increase followed by 33 1/2% decrease

What is the volume of the cone to the nearest cubic millimeter? (use π  = 3.14) a) 46 mm3 b) 128 mm3 c) 183 mm3 d) 275 mm3 diameter = 5 mm height = 7 mm how do you do this problem step by step?