What is the area of trapezoid DEFG with coordinates D(2,3) E(4,3) F(6,1) G(2,1)? 12 square units
8 square units
6 square units
3 square units

Does the point (1, sqrt 7) lie on circle shown.

In the triangles, bc =de and ac fe.if the mzc is greater than the mze, then ab isdfelth

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of