2. Si dentro de 15 años Raúl tiene el doble de edad que la que tenía hace 5 años, ¿qué edad tiene

ahora? por fis ayuda ayuda ayuda

4. a spring scale is constructed so that each 0.10-n increment is separated by 0.50 cm. what spring constant is necessary for the scale to be accurate? -1.0n/cm -0.10n/cm -9.8 n/cm -0.20n/cm

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10