If u=<7,2> and v=<2,-3> find u + v, u-v and u*v

Which of the following is the shape of a cross section of the figure shown below

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?

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?