Error Analysis On a math test a student, bob, has to identify all the coefficients and constants of the expression 9y+b+4. sarah says that 9 is a coefficient and 4 is a constant. Identify all the coefficients and constants of the expression. What error might Sarah have made? The coefficient(s) of the expression is/are
(Use a comma to separate answers as needed.)

Graph y = -|x| + 2. click on the graph until the correct one appears.

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.

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