8x - 6y + 7x - 1y - 2x + 4x

1. are the triangles similar and if so why? what is the value of x? show your work.

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!