There were 154 birds on the endangered species list in some year .this is 12 more than twice the number of reptiles on the list. how many reptiles were on the endangered species list in this year ?

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Ineed i been stuck on this question since yesterday

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]