4.Find the sum of A. "(-7)+(-9)+(5)+(-8).," B. "(5)+(-9)-(-4)+(-6)"

Find the sum: 5/9+\ 6+1 5/7

Evaluate : (i) (5)/(9)+(-7)/(6)

Evaluate the sum: 2/(7)+6/(9)

Find the product. -3(6)/(7)xx5(4)/(9)

Find the sum:  (i) 5/8+3/(10) (ii) 4 3/4+9 2/5

A square is inscribed in the circle x^2+y^2-2x+4y-93=0 with its sides parallel to the coordinate axes. The coordinates of its vertices are (-6,-9),(-6,5),(8,-9),(8,5) (-6,-9),(-6,-5),(8,-9),(8,5) (-6,-9),(-6,5),(8,9),(8,5) (-6,-9),(-6,5),(8,-9),(8,-5)

Find the sum to 25 terms of the A.P. 5, 7, 9, 11, …

Find the difference: (i) 6/7-9/(11) (ii) 8-5/9

Find the median of 7,6,5,3,9,4,3.

Find: c. 5 (7)/(9) xx 6