45 students in the 6th frade at garden valley middle school. 9 of tgem have freckles. what is the ratio of 6th graders with freckles to the total number of 6th graders

Zach spent 2/3 hour reading on friday a 11/3 hlurs reading on saturday. how much more time did he read on saturday tha on friday

Agrasshopper weighs 0.89 grams. express the grasshopper’s weight in scientific notation.

Solve this system of equations: y=x2-3x + 12 y=-2x+14 4. substitute the values of x, -1 and 2, into either origina equation to solve for the values of y. what are the solutions of the system of equations?