The fist, second and third grade students went on a field trip. there were 227 third grade students and 262 fourth grade students. a total of 756 students went on the trip. how many first grade students went on the trip?

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

What is the difference between the equations of a vertical and a horizontal line?