Find the dimensions of the most economical open-top rectangular crate 96 cubic meters in volume that the base costs 30 cents per square meter and the sides cost 10 cents per square meter. how to get ans: most economical =1440,(4,4,6)
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What is the inverse of the function f(x)=2x+1

Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?

You buy 4 items that cost 2.69 14.45 8.05 13.95 what is the estimated total round to the nearest dollar