Factor –7x3 + 21x2 + 3x – 9 by grouping. what is the resulting expression?
(3 – 7x)(x2 – 3)

(7x – 3)(3 + x2)

(3 – 7x2)(x – 3)

(7x2 – 3)(3 + x)

Which of the following of the following sets of side lengths could not form a triangle?

Me d is also an option but i couldn't get it in the picture

In a fruit survey, 300 children choose their favorite fruit out of apples, bananas, and watermelon. 150 chose apples and 90 chose bananas. what percent chose watermelon?