Consider functions f(x) and g(x). Which expression is equal to f(x)* g(x)?

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.

Asquare parking lot has 6,400 square meters what is the length in meters

What are the values of each variable in the diagram below?