What is -3 5/7 expressed as an improper fraction? a -21/7 b -7/26 c -15/7 d -26/7

Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?

Kayla has a $500 budget for the school party. she paid $150 for the decorations. food will cost $5.50 per student. what inequality represents the number of students, s, that can attend the party?

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?