Which sentence contains a punctuation error?

a. we used one-half cup of chopped onions in the recipe.

b. it will be chilly later, so bring your blue-green sweater.

c. it is a well known fact that the earth revolves around the sun.

d. about one third of my friends have pet dogs.

The answer is About one third of my friends have pet dogs.

Explanation:

answer by yourhope:

hi! : )

what is the meaning of the word superfluous in this sentence?

uneeded!

have a beautiful day~

(3x2 + 8) (x – 5)

step-by-step explanation:

verify this answer by multiplying out the parens:

which is the same as the original form of the polynomial