What are the direct speeches of these scentences? 1. Beowulf understood Grendel's mother to be the she monster.

2. The announcement said the new TV series would start on Thursday.

3. Everyone accused Barbara of the young man's death.

4. The wife refused to close the door because she was busy.
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Amath expression is a collection of one or more terms, which are separated by the signs ( + , - , x , / ).example :   8+b8+b  or  a−3a−3in algebra, an equation is a mathematical statement with two expressions where, each expression is separated by an equal (=) sign. variables can be present on both the sides of the equality (=) sign and we use letters to denote such variables.example 1:   x=4+2x=4+2  , [here, we can observe that the variable is present only on one side of the equation].example 2:   2x+3=x+42x+3=x+4  , [here, we can observe that the variables are present on both side of the equation].

Answer barren with few trees, in the northern hemisphere;