Use the FOIL method.
2x * x + 2x * 6 + -9 * x + -9 * 6

Combine like terms.

<u>Answer</u>

Answer:
44.6 mph
Step-by-step explanation:
200.7/4.5=44.6 mph
Well a closed circle means greater than or less than or equal to. This means that if x which is the number we dont know, is higher than 5 than we can say that x is greater than or equal to 5. I cannot draw it on a computer so that is it.
Answer:
NO.
Step-by-step explanation:
If it is a right triangle then by the Inverse of the Pythagoras Theorem:
40^2 = 35^2 + 15^2
Testing:
40^2 = 1600
35^2 + 15^2 = 1225 + 225 = 1450
So the answer is NO>