Answer:
a. 
b. 
c. 
d. -6t - 5
Step-by-step explanation:
When a number has the same variable as another, you can add or subtract them
So for the first one, you can do

(But don't forget the
!)
So it is:

Continue this process for the rest of them
Answer:
14(2×-1) is the factorization of this expression
Answer:
267.
Step-by-step explanation:
Answer:
Center of the circle = (10, 5)
Radius = 10
Step-by-step explanation:
Look at the picture