Answer:

Step-by-step explanation:
Hello,

hope this helps
Answer:
68 ≥ t ≤ 770
Step-by-step explanation:
T is the first one bc it is just look it up
7x + 12 = 12
-12 -12
subtract 12 from both sides of the equation as seen above
7x = 0
divide both sides by 7 to isolate the variable
x = 0
B is the correct option.
the answers are -12x^2 and 4x^2y. hopefully it helps and i just got it right.