A normal distribution of scores has a standard deviation of 10. Find the Z-scores
corresponding to each of the following values:
a) A score that is 20 points above the mean. Z-7

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655