So there's arithmetic sequence a9 is 2 and s11 is 15.4,
Find a3​

853.3

step-by-step explanation:

the answer is (-8,-5)

step-by-step explanation:

the endpoint to midpoint is half the length. the length is (-2,-1) so when you are at the midpoint just add it to it to find your answer -6+(-2)= -8 and -4+(-1)=-5 so (-8,-5)

answer4 to the second power is 16

and 4 to the third power is 64,