PQR is a right-angled triangle. Work out the size of angle PQR. Give your answer correct to one decimal place.

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?

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

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)