1) Efetue as multiplicações a) (+8) . (+5) =
b) (-8) . ( -5) =
c) (+8) .(-5) =
d) (-8) . (+5) =
e) (-3) . (+9) =
f) (+3) . (-9) =

g) (-3) . (-9) =
h) (+3) . (+9) =
i) (+7) . (-10) =
j) (+7) . (+10) =
k) (-7) . (+10) =
l) (-7) . (-10) =

m) (+4) . (+3) =
n) (-5) . (+7) =
o) (+9) . (-2) =
p) (-8) . (-7) =
q) (-4) . (+6) =

r) (-2) .(-4) =
s) (+9) . (+5) =
t) (+4) . (-2) =
u) (+8) . (+8) =
v) (-4) . (+7) =
w) (-6) . (-6) =

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?

My final challenge question of the day! i have no tests, nothing to do this for, it is simply giving away free points for a you tube video! so 50 free points for answering the most simple question ever! here is the key to getting brainiest for this question. answer in under 50 seconds. you think you can do it. i think you can. here is the question: 1x2= i know! easiest question ever! and yes! if you answer this question, you will be on you so come on and get the free 50 while you can!