Answer:
Step-by-step explanation:
P(x) = 
Q(x) = 
P(x) × Q(x) = 
= 
= 
P(x) ÷ Q(x) =
÷ 
= 
= 
Answer:
m=20
Step-by-step explanation:
m-9=11
m-9+9=11+9
m=20
Of course, they are not equivalent.
One has an extra π in the equation.
Answer:
b. The supplements of congruent angles are congruent
Explanation:
Note that

is a supplement of

and

is a supplement of

.
Since

,

because
the supplement of the congruent angles are congruent.
Answer:
C is correct
Step-by-step explanation:
-3(2b+9) + 5 (-5b+ 6)
-6b-27 -25b +30
-31b+3