Determine if the following system of equations has no solutions, infinitely many solutions or exactly one solution. -x+y=
−x+y=
\,\,-9
−9
-2x+2y=
−2x+2y=
\,\,-18
−18

Louis wants to carpet the rectangular floor of his basement the basement has an area of 864 square feet the width of the basement is 2/3 its length what is the length of lewis's basement

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?

Write 5 in the form of a/b using integers to show it as a rational number