Please answer the all questions

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.

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.