What value(s) of x make the equation x2 - 18x + 81 = 0 true?
9

-9, 9

0, 9

0, -9, 9

Anyone know? will mark brainliest if correct!

Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths