the cost of a set of books is twice the cost of a set of biros.the cost of a set of biros is three times the cost of a set of penc...
3y-12
ab+3ab-4ab
r+r*(-cos(t))=2r+2r*(-cos(t))
find t
1-6(261)÷7-(7²-1)
if a+a+b=25, c+a+a=40, ten wat does c+c+b equals to?
find x
x^2/3 =64
sin^2x + 0.5tanx = 1
In a certain part of America , 1/3 of the population
