Let X and Y be the following sets: X = {5, 10, 15)
Y = {3,6,9, 12, 15}
Which of the following is the set XUY?

grab rope, tie a loop-de-loop, put it around ur neck, now jump while its tied to a high place. now your shoes are cool.

step-by-step explanation:

dc=6 square root of 3 and ac is 12 square root 3

c and d

step-by-step explanation:

square root of 3/2 = 18/c

cross multiply to get 18*2=√3*c

36/√3 * √3/√3 = c

c= 36*√3/3

c=12√3

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm