Can someone help me please thank you

El doctor es el señor guzmán. él a mi madre. ayuda ayudo ayudas ayudamos

Read carefully and choose the option with the correctly written sentence. a mis sobrinas les gusta jugar la guitarra. a mis sobrinas le gustan tocar la guitarra. a mis sobrinas les gusta tocar la guitarra. a mis sobrinas le gustan jugar la guitarra.

Sheila conducts an investigation to see how the amount of salt dissolved in water affects the density of the water whichstatement best describes the correct plan for her procedure? the density and the amount of water are controls, and the amount of salt and the type of salt are variablesthe amount of water and the amount of salt are controls, and the type of salt and the density are variablesthe type of salt and the amount of water are controls, and the amount of salt and the density are variablesthe type of salt and the density of water are controls, and the amount of salt and the amount of water are variableso