Answer:
$61
Step-by-step explanation:
Given
Number of days, x = 5
Expenditure per day, E'(x) = 10x + 11
Required
Determine the expenditure per day (E'(x))
From the question, we have that

Substitute 5 for x



Hence, the expenditure for 5 days is $61
Answer:
In step 5, andrew made a mistake by subtracting 9.8 instead of adding 9.8. Andrew should've have obtained the answer -2, but because of his mistake the answer is incorrect.
Answer:
True
Step-by-step explanation:
Key idea: the graph of a proportional relationship is a straight line through the origin.
Answer:
no
Step-by-step explanation:
-2 is less than 4 2/3
you can check this by looking at a number line
9.21 - (-5.51)
9.21 + 5.51 = 14.72
The distance is 14.72