Question

1
II
ху
х+у 5
ху
1
х-у. 9
X​

Answer 1

Step-by-step explanation:

x= 3y + 4z - 5

therefore

y - 1 = z

sin(x-y)= sinxcosy- cosxsinyWe live in a world defined by the pace of change, and whilst the velocity of that change has not always impacted upon our political institut