Fill in the blanks: when combining like terms, we add or subtract the and keep the the same

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?

Solve the triangle. a = 21°, c = 105°, c = 5

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?