Francesca must buy over $55 worth of art supplies to qualify for free shipping

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.

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4