Find the conjugate of 7-3i
8+2i

Find the product and conjugate of
4-i
6+3i

(I am not asking for just the answer I would also like to know how you got that answer)

Assume cd | ab are parallel. find m2. a) x= 50° (b) x = 70° c) x = 30° d) x = 60

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25