How would you discover a mathematical relationship between corresponding terms that occur in two separate number sequences, and what can you say about those terms?

Arectangle with an area of 47 m² is dilated by a factor of 7. what is the area of the dilated rectangle? enter your answer in the box. do not leave your answer as a fraction.

X+ y = 5 ; x - y =3 solve using linear combination

In a rectangle klmn, km = 6x + 16 and ln = 49. find the value of x