[" 4."(-108)-:(-12)],[" 6."-72(-15-37-18)]

[(-72)-:(-12)]-:[36-:18]

Evaluate: a. (-12) times (-15)" b. "(-24) times (-37)

6.5{2.4+(1.5+7.2)}

Find (a) 35-(20) (b) 72-(90) (c) (-15) -(-18) (d) (-20) -(13) (e) 23-(-12) (f) (-32)-(-40)

Find (a) 35-(20) (b) 72-(90) (c) (-15) -(-18) (d) (-20) -(13) (e) 23-(-12) (f) (-32)-(-40)

Specify the order of the following matrices [(0,3,6,-18),(6,9,12,0),(12,15,1,3)]

(-105)/72 xx 18/15

Show that the successive joining of the points (-7,2) (19,8) (15,-6) and (-11, -12) produce a parallelogram.

Show that , if the four points (-7,2),(19,8),(15,-6)and (-11,-12) are joined successively , then a parallelogram will be formed .

Arrange in ascending order : -18, 21, -4, -9, -12, -6, -15, -5, 0, 6, -21