PLZZ HELP Which equation shows the quadratic formula used correctly to solve 7x2 = 9+ x for x?

Dee used 2 1/3 cups of sugar for a cake recipe. if the amount of sugar the container holds is 3 times the amount she used, does the container hold more than, less than, or equal to 3 cups of sugar? explain.

Which shows one way to determine the facts of x3+4x2+5x+20 by grouping

Afarmer has 5 times as many cows as pigs. the farmer only has cows and pigs, and he has 168 animals. how many cows does he have?