I need help with numbers 1-6. Thank you.

Which of the following would represent the sum of 3 consecutive integers if x is the first integer?

1. what is the measure of ∠abc? what is the measure of ∠abd?

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?