7x + 5x divide 4
Las rectas y₁ = 2x + 3 , y₂ = -1/2x - 5 que tipo de recta son
7x + 4x divide 4
100 = 10t + t^2
5b/a^2/a^6b^2
60% of 70
90% of 70
-4x(-7)
32-24-_+19=24
5a^2b/a^4