Why is the quiet kid in my school outside my door what should i do

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

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?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles