(4.10^6)x^2- 10x - 0,010125x = 0
In a group of 60 students, 31 speak french, 23 speak spanish and 14 speak neither french or spanish: determine the number of stude...
1 Unidad Internacional uquivale a 0.3 microgramos de retinol , cuantos microgramos hay en 5000 Unidades Internacionales
3 divivde 5/8
graph (-∞,-1.5)
8x-3/4x^-1/4
expand (y+4)(2y+5)
(D^2+44)y=sec7x
3 divide 17/5
4x^2 - 4x + 1 = 0