4 because you would say "forty three thousand..." three would be the one thousands place, and 4 would be the ten thousands place.
In my opinion I think it's the third one
4x^2 - 36 = 0
4x^2 = 36
x^2 = 9
x = 3 or -3
the answer is C
A standard deck of cards has four suites: hearts, clubs, spades, diamonds. Each suite has thirteen cards: ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, jack, queen and king. Thus the entire deck has 52 cards total.
It on googIe hope it helps
