A farmer owns a triangular field with a perimeter of 7a + 5b - 4. Which of the following could be side lengths of the field? Select three that apply.

Which statement best describes a square? a. a special rectangle that has four right angles b. a special trapezoid that has four sides of equal length c. a special rectangle that has four sides of equal length d. a special trapezoid that has four right angles

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).