What is the noble gas notation of silicon (si)? [ne] 2s22p2 [ar] 3s23p2 [ne] 3s23p2 [mg] 3p2?

Will give brainliest what is the value of x? enter your answer in the box.

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?

Proving the parallelogram diagonal theoremgiven abcd is a parralelogam, diagnals ac and bd intersect at eprove ae is conruent to ce and be is congruent to de