-12
Step-by-step explanation:
We know 12 divided by 4 is 3 so the same is so in the negatives
Answer:
Step-by-step explanation:
Given expression is .
Now we need to multiply this using FOIL.
F = First
O = Outside
I = Inside
L = Last
Hence we get :
Answer:
25.5 and 37.5
Step-by-step explanation:
x+y=63
x-y = 12 then x = 12 + y sub this into the first equation
(12+y) + y = 63
12 + 2y = 63
2y = 51
y = 25.5 then x = 37.5
Answer: 80 degrees because a line is 180°.
So if you subtract
180 - 100 = 80°