In order to buy the microscope, we plan to walk dogs after school, charging $3 per dog. To reward the dogs, we will buy a box of treats for $5 as we start the business. The price of the microscope is $254. How many dogs do the friends need to walk in order to have enough money to buy the microscope?

The federal reserve controls certain interest rates in the united states. investors often try to speculate as to whether the federal reserve will raise or lower rates and by how much. suppose a company conducts extensive interviews with financial analysts, and as a result, predicts that "thefed" will increase rates by an average of 0.25 percentage points every six months for the forseeable future. which type of equation could be used to model the predicted interest rates over the next several years, assuming no other significant changes? a) a linear equation b) a quadratic equation c) a polynomial equation d) an exponential equation