Chris had a collection of 1000 records at the beginning of the summer. After the summer, Chris had traded some of his records and now he has only 870 record
What is the percent decrease of his record collection?

What is the order of operations for 2 + (3 - 9) ÷ -3 · 4 in number order 1. subtraction 2. division 3. addition 4. multiplication

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex