Answer:
B,C and E
Step-by-step explanation:
I did the test
Answer:
which class question is this
Answer:
(9a³ − 10)(9a³ + 10)
Step-by-step explanation:
Difference of squares
(9a³ − 10)(9a³ + 10)
Answer:
-11
Step-by-step explanation:
Hope this helps!
and if u ment 32-21 it’s 11
Answer:
49
Step-by-step explanation:
cos(x)=31/47
x=cos^-1 (31/47)