Can’t seem to get my hands on this question

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?

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