What does reversed mean in maths?

How many feet is in 30 in? What is the nth term for 1.4.7.10.13? How often 5 Friday's 5 Saturday's and 5 Sunday's in one month? What has 2 right angles and 2 parallel lines? Which is greater 0.125 or 0.118? What is MDCCCCXC? Which fraction is equivalent to 6 over 8? What two elements will exist in a converged network with one spanning tree? How do you change 37.5 percent into fraction? Is there any reference in the Bible to spousal abuse? 3305m equals how many km? What is 12 percent of 56? How do you evaluate and simplify p over 8 for p equals 72? How many cm in 0.37m? Does 646 round to 600? What is 30 x 16? Are 17 and 19 co prime? How many seconds in 1 minute 1.3 seconds? What is the percent of prime numbers from 1 to 100? How do you change 0.38 into a fraction?