Please help I got the answer wrong-

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?

If the angle bisectors of a pair of opposite angles of a quadrilateral are the opposite sides of a parallelogram formed by the two angle bisectors and two sides of the quadrilateral, is the quadrilateral always a parallelogram? explain your answer.