Ranger Sarah is responsible for monitoring the population of the elusive Gray's nightingale in Holly State Park. She would like to find a relationship between the oak trees (their preferred nesting site) and the number of nightingales in the park. She randomly selects seven different areas in the park and painstakingly counts the oak trees and Gray's nightingales in each area. Oaks 8 13 4 5 10 9 4 Nightingales 5 9 3 5 7 7 5 LSRL-- y= 2x+1 r=.92

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