The ratio of the number of carabaos, goats, and cows in the farm is 5:1:12. If there are 48 animals of these kinds in his backyard...
in a city 26% use phone 15% use car 65% use neither car nor phone 2000 have both
\sum _{n=7}^{\infty }\:\frac{4}{11\sqrt{n}-5}
-a^3+a-2=0
$\frac{\SIN(A+B)+SIN(A-B)}{\COS(A+B)+COS(A-B)}$
92x - 12. 9x + 27 = 0, then x =
1 1%2
8รท2(2+2)
4a^3/8a^-5
(a^2b^2-2ab+4)(a+2)