Find the 19th term for the arithmetic sequence in which the 23rd term is 9 and the 11th term is -75 . A) -19
B) -27
C) 27
D) 19

i used to know but i learned it a long time ago sorry

step-by-step explanation:

idn

step-by-step explanation:

given : the shape of his satellite can be modeled by   where x and y are modeled in inches.

now,the given equation   is a equation of parabola.

here, coefficient of x is positive, hence the parabola opens rightwards.

on comparing this equation with standard equation , we get

in standard equation, coordinates of focus=(0,m)

thus for given equation coordinates of focus=(0,1.5)

step-by-step explanation: