Answer:
yeah please, this needs critical thinking
Answer:
18.75
Step-by-step explanation:
18.75
Answer:
See the attachment
Step-by-step explanation:
If you don't have these memorized yet, your calculator can help you with this.
Answer:
C
Step-by-step explanation:
Answer:
Efx=2300 may be it would help : )
Step-by-step explanation:
To find that u have to :
mass mid value(x) Number..(f) fx
10-29 19 32 608
30-39 9 38 342
40-49 9 64 576
50-59 9 35 315
60-69 9 22 198
70-99 29 9 . 261
Efx=2300