Marilyn earns $150 per month delivering newspapers plus $7 an hour babysitting. if she wants to earn at least $300 this month, how many hours will she have to babysit?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Angela rode his bike around a bike trail that was 1/4 of a mile long he rode his bike around the trail 8 * angelo says he wrote a total of 8/4 miles to russell says he's wrong and he actually and says that he actually wrote to my who is corrupt use words and trying to explain how you know.

[15 points]find the quotient with the restrictions. (x^2 - 2x - 3) (x^2 + 4x + 3) ÷ (x^2 + 2x - 8) (x^2 + 6x + 8)