Please help me with this question :)

(pls ignore the blue, it's just where I tried and got it wrong) ​

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

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x