The equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true? 1 a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of 5 9 degree celsius. 11 a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit. 111 a temperature increase of 5 9 degree fahrenheit is equivalent to a temperature increase of 1 degree celsius. a) i only b) ii only c) iii only d) i and ii only

y=mx+b

where in this case

C=

or

C=

You can see the slope of the graph is 

C=

C=

Therefore, statement I is true. This is the equivalent to saying that an increase of 1 degree Celsius is equal to an increase of 

C=

1=

(F)=

Since 

The only answer that has both statement I and statement II as true is D, but if you have time and want to be absolutely thorough, you can also check to see if statement III (an increase of 

C=

C=

C=

An increase of 

The final answer is D.

the inequality is:

250c+180g≥950

step-by-step explanation:

let c denotes the number of days in a week   miyoko worked as a cryptographer.

and g denotes the number of days in a week she works as a geologist.

now we are given that she earns $250 for every day she works as a cryptographer,and earns $180 for every day she works as a geologist.

now miyoko's goal is to earn more than $950 this week.

hence, the inequality could be represented as:

250c+180g≥950