What is the approximate length of the hypotenuse of the right triangle? a) 10.2 b) 9.8 c) 8.6 d) 8.4

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?