Find the sum (7x^3 + 10x^2 + 5x + 1) + (2x^3 + 8x^2 + 6x + 9) , in advance

Amuffin recipe, which yields 12 muffins, calls for cup of milk for every 1 cups of flour. the same recipe calls for cup of coconut for every cup of chopped apple. to yield a batch of 30 muffins, how much flour will be needed in the mix?

Qrst is a parallelogram. determine the measure of ∠q pls

Which expression is the factorization of x^2+10+21