How to find the missing side of each of this special right triangle? can someone work it out?

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

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 of the following is the correct ratio for converting kilograms to grams