A garden centre pays £16 for a tree one week. The next week, the garden centre pays £20 for a tree. Work out the percentage change in the price paid for a tree.

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

5. (03.02)if g(x) = x2 + 3, find g(4). (2 points)1619811

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