Find the area of quadrilateral ABCD. [Hint: the diagonal divides the quadrilateral into two triangles.] A. 11.09 units² B. 18.22 units² C. 17.46 units² D. 14.89 units²

Need on this geometry question. explain how you did it.

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?