Hank uses 7 scrambled eggs to make 4 breakfast burritos. how many breakfast burritos does he make with 21scrambled eggs

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be able to prepare using the sauce?

Me! i will mark brainliest! i don't get polynomials and all that other stuff. so this question is really hard. multiply and simplify.(x - 4) (x^2 – 5x – 6)show your