Answer:
angle D equal to 3 X + 20 + 7 x minus 3 x
=90 degree equal to x minus 3 X + 20
7 X equal to 70 X equal to 10
78, because you have to do the inverse operation so 80/2= 40 then 40-1= 39 and 39*3 = 78
It’s called the associative law you can add numbers in any order you want
Answer:
TRUE
Step-by-step explanation:
Answer:
[x-3] [x+4]
Step-by-step explanation:
You look to see if you spot the appropriate factors strait away. If you can not immediately determine them you have to consider all of the potential ones and reason out which ones work.
