How many ininutes does it take 20 people to paint 20 walls?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.