Astudent scored 84 and 87 on her first two quizzes. write and solve a compound inequality to find the possible values for a third quiz score that would give her an average between 85 and 90, inclusive.

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

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.