In the accompanying diagram of rectangle abcd, diagonal latex: ac=8x+4 a c = 8 x + 4 and diagonal latex: bd=5x+16 b d = 5 x + 16 . find the value of x.

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?