After lily's graduation party, 1/2 of of the cake was left. she shared the remaining cake equally with her sister kayla and her brother logan. what fraction of the original cake did each of them get? show all your work

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

The table below lists recommended amounts of food to order for 10 party guests. how much of each food item should nathan and amanda order for a graduation party with 55 guests? use the table to answer. item amount fried chicken 16 pieces lasagna 7 pounds deli meats 1.8 pounds sliced cheese 1 and two fifths pounds bakery buns 1 dozen potato salad 2 pounds

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b