Which letter represents the result of subtracting zz from 21?
6
imaginary
A
B
OB
4
o
2-
D
22
real
LE
2
4
8
10
42
Save and Exit
NARI
Submer
Mark this and return

The highest common factor of 132 and 220

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?