3(a+5) -2(a+a) explain step by step

Which of the following is a justification used while proving the similarity of triangles lom and mon

What describes horizontal cross section of the right rectangle 6m 8m 5m

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?