2 libraries have 4560 books. The first library gave away 360 books to the second one. Then the first library had 3/5 if what the second library had. How many books did each library have before the first one gave some away. Please I am confused

What is the equation of the following graph in vertex form? parabolic function going down from the left through the point zero comma twelve and through the point two comma zero and turning at the point four comma negative four and going up through the point six comma zero and continuing towards infinity courtesy of texas instruments a: y = (x − 4)2 − 4 b: y = (x + 4)2 − 4 c: y = (x + 2)2 + 6 d: y = (x + 2)2 + 12

Solve 2x+y=3 x+y=5 in substitution method

Using inductive reasoning, what is the next two numbers in this set? 1,-7,13,-19 i got the numbers 14,-26 is that right?