URGENT HELP

The nth term of a sequence is given 3n-16. What’s the value of the 9th term?

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

On a architect's drawing of a house, 1 inche representa 1.5