They deleted my question How down to talk again (School Related) aha

Awheelhas a radius of 4.8 m. howfar (path length) does a point on the circumference travel if thewheel is rotated through angles of 30°, 30 rad, and 30 rev, respectively?

An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2