In a kitchen there are four containers that can hold different quantities of water, as shown in the figure below: four containers of the same shape but different sizes are shown, arranged from the shortest to the longest. the following quantities are written below the containers. x minus 2 liters below the first, x liters below the second, x plus 2 liters below the third, and x plus 4 liters below the fourth. how many liters of water can the four containers hold in all? x4 + 4 2x + 4 x2+ 2x 4x + 4

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