4to the power of 4 times 4 to the power of -2 times 4 simplified

Which expression is equivalent to (4x^3*y^5)(3x^5*y)^2 \a) 24x^13*y^7b) 36x^13*y^7c) 36x^28*y^7d) 144x^16*y^12

You have 3 boxes, one "strawberries"; one "mentos" and one "mixed".but you know that all the labels are in incorrect order .how do you know witch is witch?

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal