Find the values of x, y, z in the parallelogram

At school there are 526 students and 263 are girls about how likely is it that a randomly chosen student will be a boy

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

4. bob solved the inequality problem below incorrectly. explain his error and redo the problem showing the correct answer. −2x + 5 < 17 −2x + 5-5 < 17-5 -2x/-2 < 12/-2 x < -6