A school administrator who was concerned about grade inflation looked over the number of straight-A students from year to year.
Straight-A students
Year
Students
2014
25
2015
27
2016
27
2017
25
2018
30
According to the table, what was the rate of change between 2015 and 2016?

Measures of the angle of r, 31 s (x+4) t (3x+9)

Drag each expression to the correct location on the solution. not all expressions will be used. consider the polynomial 8x + 2x2 - 20x - 5. factor by grouping to write the polynomial in factored form.

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.