USING LOGARITHMS TO SOLVE REAL WORLD PROBLEMS. Brad has in the past invested 2,400 in an index fund that pays 4% compounded annually. the fund is now worth 2699.67. how many years has past? round your answer to the nearest whole number.
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Combined megan and kelly worked 60 hours.kelly worked twice as many hours as megan.how many hours did they each worked?

() at a farm, animals are fed bales of hay and buckets of gain.each bale of hay is in the shape of a rectangular prism.the base side lengths 2 feet and 3 feet,and the height is 5 feet. each bucket of grain is a cylinder with diameter of 3 feet. the height of the bucket is 5 feet as the height of bale. a. which is larger in area, the rectangular base of the bale or the circular base of the bucket? explain how you know b. which is larger in volume, the bale or the bucket? explain how you know

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10