Every day since the shopping mall has opened the number of shoppers is 20% more than the number of shoppers the day before. The total number of shoppers over the first four days is 671. How many shoppers were at the mall on the first day?

Franco wants to double the volume of the cone. what should he do?

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

Can you me find the missing length. i attached an image.