Given line j, mark 2 points on the line. Construct congruent circles a and b centered at the points on j.
Construct line g through the intersection points of a and b.
Construct circle c centered at 1 intersection point of a and b. Mark the 2 intersection points of c and g.
Construct congruent circles h and k centered at the points on g.
Construct line i through the intersection points of h and k.

Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?

Gexpressions: practice question 3 of 5 jackson wants to study the popularity of his music video by tracking the number of views the video gets on his website. the expression below represents the total number of views that jackson's video receives n days after he begins tracking the nu views, where b is the rate at which the number of views changes. alb)" select the statement that would accurately describe the effect of tripling a, the initial number of views before jackson beginst the rate at which the number of views changes, b, will triple. the total number of views the video has after n days, a(b)", will not change. the total number of days since jackson begins tracking views, n, will be reduced by one-third. the total number of views the video has after n days, alb)", will triple. submit

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)