In equations, usually 'y' as it a product, whereas 'x' is part of the function
yes, by ASA; FD is the correct answer because we have triangle TRS congruent to DFE by ASA.
The answer is c. 46<span>
In a human diploid somatic cell (2n), there are 22 chromosomes present in two copies and 1 pair of sex chromosomes. This means there are 23 pairs of chromosomes - 22 pairs of autosomes and 1 pair of sex chromosomes. There are in total 46 chromosomes (23 pairs in 2 copies: 23 </span>× 2 = 46<span>).</span>