Don Ricardo llevó a sus hijos a una pista de ciclismo y sus hijos recorrieron las siguientes distancias:
Luis Iván logró recorrer 1.6 km, Karina llegó hasta los 1500 m y Sergio completó 1 % km.​

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

For each proportion find the unknown number x 1/5/8=×/15