How many triangle can be constructed with sides measuring 15 cm 7 cm and 5 cm explain be sure to use complete sentences and proper grammar

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 value is not a solution of 8x^3 – 1 = 0

Can someone answer this question? : )