Answer:
1
Step-by-step explanation:
if the boys go in front and the girls go in the back there is only one way to put them
Answer:
Refer to my picture. Reply me if you understood :)
Answer:
C=6cm
D=3cm
Step-by-step explanation:
C=6×6cm
36cm
D=3×3cm
=9cm
Answer:
15z+13
Step-by-step explanation:
hey! all we have to do is combine like terms.
21z-6z+13
15z+13
there's your answer.