Someone please help.
Find the surface area of the figure above. Round to the nearest tenth.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120

The equation line of cd is y=-2x-2. write an equation of a line parallels to line cd in slope-intercept form that contains point (4,5)