Which trig function to use for to solve for x?

the correct answer to your question is a. 4^4

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! < 3

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i wish i could u

step-by-step explanation:

i wish i could u

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,

48 / 6 = x

in this case, x will equal the amount of money in each card!

x therefore will be 8.

trent had $8 in each birthday card.