A principle is planning for 120 parents to attend the eighth grade open house in the multipurpose room. round tables seat six and square tables seat 8. Let x equal the number of round tables needed and Y equal the number of square tables needed. write an equation that represents the situation then use the equation to determine the number of roundtables needed if no square tables are used

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