Mia is making a necklace using two types of beads. Buying 40 blue beads and 20 silver beads will cost $10. Buying 20 blue beads and 40 silver beads will cost $14. How much does each type of bead cost? (x = blue, y = silver

How does cooperative federalism work in the united states? a. state and federal governments have different and overlapping responsibilities b. branches of the federal government can check one another's power. c. when amending the constitution, citizens vote directly. d. bills passing the house of representatives must also pass the senate.