Urgent help please! similar figures use the similarity relationship to find the indicated value

How are sas and sss used to show that two triangles are congruent?

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?