if E-F is parallel to CA , then B-E = 4,then B-F = 10,also E-C= X-1, and A-F = 2x + 1 Find the value of x.

How to determine whether two known pairs of points are on the same line.

Diane owes $387 to her brother. if she debits her bank account $161.25 a month to pay him back, how many months will it take her to pay off the debt?

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}