2x + 3y = 9 -2x + 2y=6
The y-coordinate of the solution to the system shown is
A.) 5
B.) 15
C.) 9
D.) 3

You have a square piece of cardboard that measures 14 inches on each side. to build a box, you cut congruent squares out of each corner of the cardboard. use the picture to find the area of the cardboard you were used to build the box

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.

Multiply and simplify. 2x2y3z2 · 4xy4x2 how to do?