|2x+1|=-|x-1|
10 + 10 = 20
0=x^2+6x-16
2√2 times 5√3
30.6 multiply by 0.003= show working out
18:21:12
lois thinks of a number.8/13 of her number is 72.what is 1/13 of her number
Let (vk )k≥1 be an arithmetic sequence such that v1 = −3. Find the
integer n and the common difference d so that vn = 6 and Sn =
...
4000:500 in its simplest form
