60^2!=
72÷360×114
2x + 3x / 50 = 200
72÷3360×114
50x * (30x + 17/12) = 30
An oil company estimates that only 1 oil well in 24 will yield commercial quantities of oil. Assume that successful drilled wells ...
191 x 326
1.25(x -y) = 2
-2x + y = -4
7.92*10^-2/(4*10^-3)^2
find 30th terms of an= 5n-2
