10. The number of yards a football team moves on the field can be represene using the expression 18 +1-4. How many yards does the football team
move?

12

Step-by-step explanation:

The question is asking to find the absolute value of 8 plus the absolute value of -4.

The absolute value of a number is simply the distance that number lies away from 0 on the number line.

This means that the absolute values of both 8 and -4 is positive, because absolute value eliminates the direction that a point is in, so there is no negative.

So the question is asking what 8 + 4 is, which is 12.

The football team moved 8 yards forwards and then 4 yards back. In total, that would be 12 yards moved.

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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