Mary jo said that –13 + –19 equals –6. is mary jo's answer reasonable?

a. yes, because these are integers, you should subtract the lesser number from the greater number. the answer is –6. b. no, because when you add two integers you should always get a positive integer. the answer should be +32. c. no, because when you add two negative integers, you will also get a negative integer for the answer. the answer should be –32.

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