Can someone please help me

Tanyss's house has 25 windows. her brother has washed 22 of the windows. what percent of the windows has her brother washed?

Yesi's dog weighed 5 pounds when she got him. he now yesi's dog weighed 5 pounds when she got him. he now weighs 45 pounds. how much did yesi's dog gain, in ounces?

Ahyperbola centered at the origin has a vertex at (-6,0) and a focus at (10,0). what are the directrices?