Answer: I’m pretty sure it’s 60
Explanation:
These kind of organisms can live on prairies or plains.
Explanation:
A physical change is change that alters the physical properties of matter especially its form and state.
In many cases, the change is easily reversible.
Examples are change of state such as boiling, melting, freezing, condensation, sublimation e.t.c
A chemical change is one in which a new kind of matter is formed. It is always accompanied by energy changes.
Examples are combustion, rusting , precipitation, milk souring.
- Chemical changes are irreversible
- Physical changes do not lead to the formation of new kinds of matter.
- Most physical changes requires little energy.
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The given functions were
Before we can evaluate 
we need to find an expression for 
.
This is the composition of the two functions. means 
becomes an input for 
. This means that;
So we need to substitute, 
wherever we see 
in
We expand the bracket to obtain;
Simplify to obtain;
Now we substittute 
in to to obtain,
Hence, the value of is 
.
