Find the area of a circle whose diameter is 8.3 m. round to the nearest thenth

Of four points are collinear, they are also coplanar

The sum of two numbers is 86, and their difference is 20. find the two numbers

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?