The planet mercury measures 4,879 kilometers from one side to the other. earth
measures 12,756 kilometers from one side to the other. what is the difference
between the two measures?

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

1. which of the following algebraic equations is equivalent to ? x^n = a a^n = x a^x = n x^a = n 2. 16^1/4= 1/2 2 4 3. (-36)^1/2= -6 1/6 no real number 4. 8^2/3= 4 8 16√2 )^5/2= 7,776 1/7,776 no real number 6. m ^ the square root of a^2m simplified is: 7. the square root of 3^3 times the square root of 2 simplified and in radical form is:

Extra points! find the missing dimension! need asap