What can i do when i have 2 ponits side by side

Given the following similar triangles what is the area of triangle b ? a) 1 b)1.8 c)3.2 d)5

Module 10 coordinate proof using slope and distance answers is quadrilateral abcd a parallelogram? explain how you know.

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?