Cho A = {1,3,3,3,5,5,5,5,5} và B = {1,3,5}.Đáp án nào dưới đây mô tả chính xác nhất mối quan hệ giữa A và B:

What is the missing constant term in the perfect square that starts with x^2 -20x

Angel entered a triathlon (a three-part race). he swam 1 mile, rode his bike 30 miles, and ran 10 miles. how far did he go altogether? a. 11 miles b. 123 miles c. 41 miles d. 40 miles

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?