Answer:
x = $59.85
Step-by-step explanation:
100% = $63
95% = x
100x = 95*63
100x = 5985
x = $59.85
Because they show exactly how much of something is there/needed.
The last choice is right sure because this is a perfect square trinomial
(4xy -3z)^2 = 16x^2y^2 -24xyz +9z^2
hope this will help you