Answer:
17.6 minutes
Step-by-step explanation:




1.) 4.358898944
2.) 7.071067812
1; (1/4)/(1/4), all you do is flip the fraction to make the reciprocal and multiply, so (4/1)x(1/4)=1
The answer is 280 because if you multiply 400 by .3 you get 120 and if you subtract 120 from 400 you get 280
Answer:
Prime factorization: 50 = 2 x 5 x 5