Which number represents a temperature below zero? –4° F 0° F 4° F 6° F

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.

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

What is the product? a-3/15a × 5/a-3