Answer:
what are the options to the question
Step-by-step explanation:
Answer:
6.25 is the answer
Step-by-step explanation:
work in the () first
2.5(8.6÷2-1.8)
2.5(2.5)
the multiply the two numbers and get 6.25
hope this helps
Answer:

Step-by-step explanation:

Switching x variable with -2.

Evaluating.


Answer:
23°
Step-by-step explanation:
If you have any questions about the way I solved it, don't hesitate to ask me in the comments below ;)
280, 509,031 + 10,000,000 = 290, 509,031
200,000,000 + 90,000,000 + 500,000 + 9,000 + 30 +1 is your answer
hope this helps