Answer:
I believe the answer is 19.
Answer:
1
Step-by-step explanation:
sorry if wrong
ask if you need work
Answer:

Step-by-step explanation:

Remove the brackets and multiply the minus sign through all the numbers in the second polynomial

Rearrange in the highest order

Simplify

Answer:
-10
Step-by-step explanation:
- x + = -
-5 x 2 = -10
Answer:
7³
Step-by-step explanation:
You could answer this after a quick inspection. 7 remains constant as t approaches 8. Each of the (t -1) terms will approach 7. So, multiplying these factors together, you'll get 7(7)(7) = 7³3 as your answer, the limit as t approaches 8 of the given expression.