The table shows the cost to mail various letters based on different weights. Is the cost of mailing a letter proportional
to the weight? If so, what would be the cost of mailing a
6-ounce letter? If not, explain.
Mailing Costs
Weight (oz) Cost ($)
1
0.47
0.68
2.
3
0.89
4
1.10

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula c= r/1.8 - 273, what is the temperature in celcius corresponding to r degrees rankine.

Can someone me with this problem . show your work .

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.