D and E are supplementary. One angle measures seven times the other angle. What is the complement of the smaller angle

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Bring the fraction a/a-4 to a denominator of 16-a^2

Acolony contains 1500 bacteria. the population increases at a rate of 115% each hour. if x represents the number of hours elapsed, which function represents the scenario? f(x) = 1500(1.15)" f(x) = 1500(115) f(x) = 1500(2.15) f(x) = 1500(215)