A recipe calls for 2/3 cup of sugar for every 4 teaspoons of vanilla. How much vanilla should be used for every 1 cup of sugar?

Ineed i do not understand i'm only 8

What is f(3) for the quadratic functionf(x)=2x2 + x – 12? f -3g 3h 6i. 9

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36