A50-ft chain with mass density 5 lb/ft is initially coiled on the ground. how much work is performed in lifting the chain so that it is fully extended (and one end touches the ground)?

Pj is decorating pupcakes for rocky's birthday party. her color scheme is black, purple, and green. she will use this spinner to determine the color of sprinkles on each pupcake. which model shows the probability of randomly landing on each color?

Place the following steps in order to complete the square and solve the quadratic equation,

Icould really use some with this question.