Ageometric sequence has a4=4 and a5=7. what is a1?

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?

Vertical angles must check all that apply

Rewrite the expression in z to the n power. the expression i was given is: 1 over z to the negative 1 half power.