How many digits do i have to write for scientific notation?

x+y=90

x=30-y=x

step-by-step explanation:

if you understand you will get the answer

the f

last graph i believe

step-by-step explanation:

worked it out i believe

answer:

c) the x-coordinate of the center of the circle increases by 3

h is the x-coordinate of the vertex

step-by-step explanation:

we have

in this function

the point represent the vertex of the function

so

h is the x-coordinate of the vertex

k is the y-coordinate of the vertex