The sum of two numbers is 30 and their difference is 12. Find the two numbers.
The first step is to set up the problem as:
X+Y= -12
X+Y= 30
A) True
B) False

Find the given elements if matrix d:

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?

Which expression is equal to (f+g)(x)?