Translate the following into an algebraic expression: if it would take mark m hours to clean the house alone and with his brother sam they can clean the house together in t hours. how many hours would it have taken sam if he was working alone?

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882

Which table represents a linear function? i'll give brainliest to first answer ^'^