Sandra invested $8000 in two mutual funds. at the end of the year, the percent return on one fund, x, was 8% and the percent return on the other fund, y, was 3%. the combined return on both funds was $345.

which system of equations can be used to find how much sandra invested in each fund?

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