Anyone still up? im asking cuz i wanna talk to someone

Suppose the first five terms of a sequence are 4, 5, 9, 27, 123. how could the next term in the sequence be generated?

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.