13x-8≤-32
add 8 to both sides to get 13x≤-24
divide by 13 to get x ≤ -24/13
The most usfull tool would be a compas
Answer:
11.25 minutes possibly
Step-by-step explanation:
1.forget the 17 liters for now
2. divide 45 & 4
3. you should get 11.25
Answer:
21
Step-by-step explanation:
21 should be added in 123 to be a perfect square,i.e,
12^2=144
144-123
21