Answer:
(21 + 11)2 = 64
So, I don't think teachers do this, but this is my way of doing it
Okay, so first, I divided 64 by 2 :
64 ÷ 2 = 32
Then, I subtracted 11 from 32:
21
Now, to check, just do the problem :
(21 + 11)2 = 64
32 * 2 = 64
Answer:
that one is A but im not sure about the other ones
Step-by-step explanation:
Answer:
The first question would likely be y=10.
The second question would likely be x=20.
Complementary angles add up to 90 so
angle + 47 = 90
angle = 90 - 47
angle = 43 so A
