What is the length of JK, to the nearest tenth of a millimeter?

4.5 mm

5.6 mm

8.3 mm

19.9 mm

What signals you that factoring by grouping is the best method to use when factoring a problem?

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

The appalachian trail is a hiking trail that passes through the appalachian mountains. three members of a teen hiking group hiked a section of the trail. the hikers stopped at a rest area and equally shared 3 4 gallon of water. how much water did each person get?