Tell whether each percent change is an increase or decrease. Then find the percent change. Round to the nearest percent. original amount: 7.5
new amount: 9.5

What is the missing step in this proof ?

What is the ratio of the length of an object in yards to the length of the same object in miles?

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)