John is testing his friend. He wrote the following on an index card: My grandfather is 68, adopted my mother on Sunday, March 18, 2001. My mother was not even a year old. My mother had me at 18. How old am I?

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2 exactly

Step-by-step explanation:

x is variable or an unknown value to find

example:

2x = 5 which means x = 3

2.

according to newton’s cannonball model, what happens if the cannonball's velocity is enough to overpower the pull of earth’s gravitystep-by-step explanation: