Adepartment store buys 500 shirts at a cost of 3,000 and sells them at a selling price of $10 each. find the percent markup

1c-2 m405 what values are needed to make each expression a perfect square trinomial? 32 + 2x+ 2-20x + 22+5x+

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample