PLEASE HELP! need answers quick

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.

Which of the following is a justification used while proving the similarity of triangles lom and mon

4+(2+x) can you me solve this problem