The rule for a rotation by 90 about the origin is <span>(x,y)→(−y,x<span>)
so
</span></span><span>(-6,-2) ---> (2, -6)
(-3,1) </span> ---> (-1,-3)<span>
(-1,1) </span> ---> (-1,-1)<span>
(2,-4)</span> ---> (4, 2)
Answer:
m<b=107º
Step-by-step explanation:
180-41-32=107
D and B are congruent
<h3> Answer:</h3><h2>a.215</h2>
I don't know in letter b.
#CaRRyOnLeArniNG
This sequence has generating function

(if we include
for a moment)
Recall that for
, we have

Take the derivative to get


Take the derivative again:


Take the derivative one more time:


so we have
