Answer:
how to help u the picture is black
You can check your factoring by multiplying them all out to see if you get the original expression. If you do, your factoring is correct; otherwise, you might want to try again
Answer:

Step-by-step explanation:
You are correct down to the part where you add the partial results:

Step-by-step explanation:
[70,30] = 210 miles per hour
Answer:
267.95 inches cubed
Step-by-step explanation: