If A and B are mutually exclusive, and if P(A) equals 23% and P(B) equals 49%, what is P(A or B)?

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.