What part of speech is not appropriate in formal writing, but often used in daily conversation?

a. conjunction
b. adverb
c. preposition
d. interjection

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.

Which of the following circles have their centers on the x-axis? check all that apply.

What is the cube root of -1,000p^12q3? -10p^4 -10p^4q 10p^4 10p^4q