Yes, people need to put the answers. Otherwise, it is just pointless to even ask your question.
Answer:
Step-by-step explanation:
The file below is a picture of the answer. I didn't want to type it out : /
7.50*4=30
40*4=160
160-30=130
130\4=32.5
so each boy has left 32.5 with him
Answer:
(-∞, 5]
Step-by-step explanation:
t hat would be -∞ < x <=5
In interval notation it is (-∞, 5]