Determine the Sum of the first 20 terms in the sequence: 3 + 7 + 11 + 15
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Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?