What is the distance between (4,7) and (2, 2)?

Asequence is defined recursively by the formula  f(n  +  1)  =  f(n)  +  3 . the first term of the sequence is  –4. what is the next term in the sequence? –7–117

Two lines parallel to the same plane are parallel to eachother

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20