If 15x + 12y = 90 then 5x + 4y = ? A) 72
B) 80
C) 14
D) 10
E) 9
With steps pleaseee

34 cup. a serving of vegetable soup is 23 cup. the restaurant sold 20 servings of chicken noodle soup and 18 servings of vegetable soup. how many more cups of chicken noodle soup did they sell than cups of vegetable soup?

Plz determine whether the polynomial is a difference of squares and if it is, factor it. y2 – 196 is a difference of squares: (y + 14)2 is a difference of squares: (y – 14)2 is a difference of squares: (y + 14)(y – 14) is not a difference of squares

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2