Write an equivalent expression for y(6 + y) and (6 x y) + (6 x 7)

Can someone me with my math problems i have a bunch. i will give brainliest and lots of pleeeaaasssee

Ahousekeeper mixed 5 gallons of blue paint with every 9 gallon of yellow paint in order to make a green paint which ratio of gallon of blue paint to gallon of yellow paint will make the same shade of green paint

Arecipe calls for 1/2 cup of sugar and 3/4 cup of flour. if you have 3 cups of flour and you want to adjust the recipe so you use it all how much sugar do you need?