A cookie factory uses 1/2 of a barrel of oatmeal in each batch of cookies. The factory used 3 1/2 barrels of oatmeal yesterday. How many batches of cookies did the factory make?

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?

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earn $75 in interest.how much interest will she earn during the following year?

Use the second shift theorem to find the inverse laplace transform of (e^−3s) / (s^2 + 2s − 3)