The ratio of Courtney's age to her sister's age is 7:6. In 6 years, the ratio of Courtney's age to her sister's age will be 17:15. How old is Courtney?

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I dont know

Step-by-step explanation:

i dont now

fahrenheit

step-by-step explanation:

fahrenheit is more precise than celsius. the ambient temperature on most of the inhabited world ranges from -20 degrees fahrenheit to 110 degrees fahrenheit—a 130-degree range. on the celsius scale, that range is from -28.8 degrees to 43.3 degrees—a 72.1-degree range. this means that you can get a more exact measurement of the air temperature using fahrenheit because it uses almost twice the scale.

the 2 figures are congruent bc if you reflect abcd over the y axis then over the d axis the figures overlap