given the equation of a trend line can you find the exact amount of sales given exact advertising cost​

Δabc is reflected across line l to form δ alblcl, and a¯¯¯al¯¯¯¯ intersects line l at point d. which equation is not necessarily true?

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?