Sunnie had a birthday party where she received three gifts from every guest that came. her family also gave her an additional 12 gifts before her party. if she received 57 gifts, how many guests were at her party?

What is the sum of these mixed numbers 2 1/8 + 4 3/8

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2