What is the size of a 8.5 in × 11.0 in notebook paper in centimeters

What is the internal energy of 4.00 mol of diatomic nitrogen gas n2 at 455k

Jasmine is diving off a 3-meter springboard. her height in meters above the water when she is x meters horizontally from the end of the board is approximated by the equation h=-x^2+3x+3. what is the maximum height jasmine will reach on her dive?

Which terms describe the purpose of antennas on devices that use radio waves? transmit and receivemodify and amplifyamplify and receivemodify and transmit