Answer:
When
and
:

Step-by-step explanation:
-8ab can be seen as -8×a×b. Insert the given values:

Simplify multiplication from left to right:

Insert and solve:

:Done
The second in the top row is this:
42.4-1.5(TIMES)3.1
42.4-46.5
-4.1
Answer:
Distributive Property
Step-by-step explanation:
Answer:
T>28
Step-by-step explanation:
Multiply 4 to both sides to get your variable alone.