Amanda's coffee shop makes a blend that is a mixture of two types of coffee. type a coffee costs amanda per pound, and type b coffee costs per pound. this month, amanda made pounds of the blend, for a total cost of . how many pounds of type a coffee did she use?

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?

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Identify the number 127 as a rational or irrational. explain