Question

Ok. I'd really appreciate the answers to these questions. I'm in a hurry & I need to get this finished.
1)-2 <= d + 1/2 < 4 1/2
2)2t <= -4 or 7t >= 49

Answer 1

-2 <= d + 1/2 < 4 1/2
-2-1/2<= d < 4 1/2-1/2
-2 1/2<= d < 4

Answer 2

2)2t <= -4 or 7t >= 49
/2 /2 /7 /7
t <= -2 or t >= 7

Answer 3

thank you.

Answer 4

dont forget the medal :p

Answer 5

right right. xD