Rob weighed 2 boxes. the combined weight of the boxes is 128 pounds. the ratio of the weight of box a to the weight of box b is 3: 1. which of the following is closest to the weight of box a

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect

Amass weighing 16 pounds stretches a spring 8/3 feet. the mass is initially released from rest from a point 2 feet below the equilibrium position, and the subsequent motion takes place in a medium that offers a damping force that is numerically equal to 1/2 the instantaneous velocity. find the equation of motion if the mass is driven by an external force equal to f(t)=cos(2t).