Write the slope-intercept form of the equation of a line that is perpendicular to the given line and goes through the point (1,2).

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

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

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account.write an expression to represent the total amount in his savings account.