Help pls what is he surface area measured in square centimeters, of the shape below do not include units in your answer

Given that abcd is a rhombus, what is the value of x?

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

Marion has a bicycle that she is planning to take for a ride. the rim of the rear wheel lies 41 cm from the center of the wheel. the tire itself has a thickness of 3 cm. in order for marion to ride her bicycle 96,712 cm approximately how many rotations will the rear wheel make?