The owner of a real estate agency is looking over the monthly commission earned by the top three brokers in the past month. she has calculated the mean and standard deviation, sd, of the their commissions, in dollars, as shown below.

Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?