Given a1 = 1 and an = an-1 + 2. Find a7.
A 9
B 11
C 7
D 13

Pls brainliest will be awarded if answer is correct

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]