Suppose tommy walks from his home at (0, 0) to the mall at (0, 9), and then walks to a movie theater at (7, 9). after leaving the theater tommy walks to the store at (7, 0) before returning home. if each grid square represents one block, how many blocks does he walk?

1.   an exact solution requires a radical solution - no decimal approximation.2. (a)4x^3 = 756x^3 = 756/4 = 189x =   cube root of 189 =   5.74   to nearest hundredth answer(b)   189 = 3*3*3*7   so we can write the cube root of 189 as 3∛7 answerchecking (a) 4*(5.74^3 =   756.48   which is very close(b)   4* ((3∛3)^3   = 4*189   = 756   - spot on! 3. i would use solution b because the original question asked for an exact solution.

It will never be positive always negative