Find the perimeters of the following shapes: 9 cm
a)
4.1 cm
b)
3.6 cm
3 cm
7.2 cm

Help me pls

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

How can constraints be used to model a real-world situation?

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.