Choose the compatible numbers that will give the best estimate for 589/58

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

Use set buikder notation to represent the following set: {, -2, -1, 0}

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?