It’s a frequency table, you find the middle number from the prices of mail received and you would multiply it. Not sure what with but if you search on Google Frequency tables there should be a good explanation.
Hope this helped you!
Answer:
20
Step-by-step explanation:
x/2+15=25
x/2=10
x=20
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Answer:
Step-by-step explanation:
m∠1 = 50°
m∠2 = 88°
Step-by-step explanation:
Each triangle's angles have to add up to 180°. Use supplementary angles theorem to help solve.
18. You can do this in a calculator. 26 - 8 = 18. v = 18.