x=3y+1/y-2
¹⁷⁄₂₀ – ¹²⁄₂₀ =
⁴⁄₇ + ³⁄₇ =
factorize 27x+18
⁴⁄₁₃ + ⁸⁄₁₃ =
3/4 + 3/5 + 1/3
8=2(10+3c)
c4xc3
Given a rectilinear triangle with a baseline of 10, how long should the vertical side be for the angle to be 30 degrees?
the equation of a line is y=9a+8 what is the gradient of the line?