Answer:
Colin has <em>8 sheets </em>left for his third class.
Step-by-step explanation:
Given that:
Total Number of pieces of papers = 
Number of pieces of papers used for 1st class = 5 fewer than half of the pieces in the pad
Writing the equation:

Also, Given that number of pieces of papers used for the 2nd class are 2 more than that of papers used in the 1st class.

Now, number of pieces of papers left for the third class = Total number of pieces of papers in the pad - Number of pieces of papers used in the first class - Number of pieces of papers used in the first class

So, the answer is:
Colin has <em>8</em> <em>sheets </em>left for his third class.
The length of side b is also probably 3cm, because thinking of a diamond shape, all of the sides are equal and It give you no other measurments
$54.80 is the correct answer
Answer:
We conclude that the equivalent expression is:

Step-by-step explanation:
Given the expression

Remove parentheses: (a) = a

Multiply the numbers: 3 × 2 = 6

Multiply the numbers: 4 × 5 = 20

Multiply the numbers: 4 × 2 = 8

Thus, we conclude that the equivalent expression is:
