What is the next number in this sequence? 3, 7, 11, 15….
17
21
19
22

Use set buikder notation to represent the following set: {, -2, -1, 0}

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.

Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?