Help this is geometry find x

Solve for n. round to the tenths place, if necessary. 14.2 cups of flour6 loaves of bread= 20 cups of flour n

Find the combined area of the triangles. click on the answer until the correct answer is showing. possible answers: a = 4 pi - 8a = 9 pi - 9/2 √3a = 16/3 pia = 16a = 27 pi

What is the value of -3/4 to the 4th power? -256/81 -81/256 81/256 256/81