In ΔIJK, \overline{IK} IK is extended through point K to point L, m∠IJK = (x-1)^{\circ}(x−1) ∘ , m∠KIJ = (x+7)^{\circ}(x+7) ∘ , and m∠JKL = (4x-14)^{\circ}(4x−14) ∘ . What is the value of x?

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If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?