Answer:
4 minutes
Step-by-step explanation:
I will use ratios for this equation:

It will take Zahra 4 minutes to read 180 words because she reads 45 words PER minute.
60/48
Both can be reduced by 12 to 5/4
So you can have 12 groups with 5 6th graders and 4 7th graders
Answer:
i^15=-i
i^32=1
1^99=-i
i^22=-1
hope this helps :)
im sorry for the late answer, i put all the answers incase some one needs them, have a nice day!
Step-by-step explanation:
B because 6x4=24 and trust me pls