James is trying to save up for a trip. He already has $550 saved, and he earns $135 per week from his part-time job. If he needs $1,200 for the trip, write an equation that could be used to solve for w, the number of weeks
James has to work in order to have enough money for the trip. (Note: You do not have to solve the equation.)

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