Answer:
(8.5,-1.5)
Step-by-step explanation:
midpoint formula =((x1+x2/2),(y1+y2/2)
9+8/2=8.5
-5+2/2=-1.5
so
Answer:(4,5)
n = -7,6
n(n+1)+3=45
distributive property: a(b+c) = ab+ac
n²+n+3 = 45
n²+n -42 = 0
factor now
(n+7)(n-6) = 0
$33.27
<u>Final </u><u>answer </u><u>-</u>
hope helpful :D