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Twin brothers, person A and person B can mow their grandparents lawn together in 20 minutes. Person A could mow the lawn by himself in 9 minutes less time than it would take Person B. How long would...

An athlete eats 60 grams of protein per day while training. How much is this in milligrams?

If 4x - 9 ≤ f(x) ≤ x^2 - 4x + 7 for 0 ≤ x, find lim (x --> 4) f(x)   I know I should use the Squeeze Theorem, but I'm not totally sure how to     ANSWER:3x2 #31,...

Given that lim (x --> pi/2) tan2(x) = ∞,   illustrate Definition 6 (definition of infinite limits) by finding values of that correspond to (a) M = 1000 and (b) M = 10,000...

In 1900, the population of a town was 500. The population grows according to the following equation. P=500(2.71)^.03n Where P=Population and N=number of years since 1900. (remember 1900 means n=0...

A boat swimmed 12 kilometres downstream and 12 upstream.The amount of time it swimmed is 1 hour and 40 minutes.Find the speed of the current if the boat's speed in a standing water is 15 km/h.