Evaluate each of the following: `-2-5/9` (ii) `(-3)/(-8)-(-2)/7` (iii) `(-4)/(13)-(-5)/(26)`

Evaluate each of the following: 4/7-(-5)/(-7) (ii) -2-5/9

Evaluate each of the following: (-5)/(14)(-2)/(7) (ii) (13)/(15)-(12)/(25) (iii) (-6)/(13)-(-7)/(13)

Evaluate each of the following: (i) (-5)/(14)+(-2)/7 (ii) (13)/(15)-(12)/(25) (iii) (-6)/(13)-(-7)/(13)

Evaluate each of the following: (i) 4/7-(-5)/(-7) (ii) -2-5/9

Evaluate each of the following: (2)/(3)-(3)/(5) (ii) (4)/(7)-(2)/(-3)( iii) (4)/(7)-(-5)/(-7)

Evaluate each of the following: 2/3-3/5 (ii) 4/7-2/(-3) (iii) 4/7-(-5)/(-7)

Find the value of each of the following: (-7)^2 (ii) (-3)^4 (iii) (-5)^5

Find the multiplicative inverse (reciprocal) of each of the following rational numbers: (-7)/(9) (ii) (-3)/(-5)( iii) (2)/(3)x(9)/(4)

Re-arrange suitably and find the sum in each of the following: (3)/(5)+(7)/(3)+(9)/(5)+(-13)/(15)+(-7)/(3) (ii) (4)/(13)+(-5)/(8)+(-8)/(13)+(9)/(13)

Find the value of each of the following: (i) (-7)^2 (ii) (-3)^4 (iii) (-5)^5