Part A) Explain how you know the right triangles are similar. Part B) Write a ratio that is equivalent to z/x
Part C) Which ratios of side lengths are equal to tan(a)?
Part D) If y/z=0.7, what is the measure of to the nearest degree?
PLEASE HELP! I will mark BRAINLIEST!!

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

Larry wants to buy some carpeting for his living room. the length of the room is 4 times the width and the total area of the room is 16 square meters. what is the length of the living room