Rename the quadratic function f(x)=-2(x+4)^2-5 in standard form.

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Which term describes the point where the perpendicular bisectors of the three sides of a triangle intersect?