him a went for shopping and spent 30%of her pocket money for food ,35%on buying books ,20% on school dress and saved 15% .Represent the data on pie graph .

a. the residual plot for model 1 has a random pattern and is a good fit for the data.

d

step-by-step explanation:

-3.5 degrees per hour

step-by-step explanation:

find the unit rate:

-12   1/4 degrees           12.25 degrees

= - = -3.5 degrees per hour

      3   1/2 hours               3.5 hours

8.3 and the 3 is repeating

hope this .