Write the expression in exponential form nd then evaluate 2.1x2.1

What kind of bond pays interest which is exempt from tax?

Asphere has a diameter of 10 in. what is the volume of the sphere?

Rick is driving to his uncles house in greenville,which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120