What is the average rate of change of the function over the interval x = 0 to x = 9? f(x)=(−2)^x+3

Enter your answer, as a simplified fraction, in the boxes.

Officer brimberry wrote 24 tickets for traffic violations last week, but only 9 tickets this week. what is the percent decrease? give your answer to the nearest tenth of a percent.

If the discriminant if a quadratic equation is 4 which statement describes the roots?

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c