Answer:
tHe can discuss intelligently the current political affairs. Television is a machine that ought to be used intelligently. It is necessary to think intelligently before performing any action.
Step-by-step explanation:
j = -3, -4
j^2 + 7j + 12 = 0
(j + 3)(j + 4) = 0
3
0.75 x ? = 15
? = 15/0.75 = 20
15% of 20 = 3
7/8
1/2+1/4=3/4
3/4 + 1/8=7/8
The second one