Factor x2+5xy+ 6y2 challenge problem

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

The probability that a tutor will see 0, 1, 2, 3, or 4 students is given below determine the probability distribution's missing value.

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.