7a/7
6.3 x 2.9
3(x+1)=12
for a research with 3 different groups, what should be the sample size for the second group; when the first group has a weight of ...
find the value of x and y if x + iy + 1 = 4 - 3i
2f+3t= 21.73
5f+7t= 53.2
-2x*-3x
2f+3t=£21.73
5f+7t=£53.20
7y+2<5y+12
Find A-1 where A=[■(1&2&5@1&-1&-1@2&3&-1)] and hence solve the following system of equation:
x+2y+5z=10
...
