What is one beneficial thing about using estimation

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship

The mean average cost of standard room per night at a hostel is ? 20.60. therefore, how much does a standard room cost per night at night-time rest days?