Taylor spends a winter day recording the temperature once every three hours for science class. At 9 am, the temperature was -13.8°F. Between 9am and noon, the temperature rose 13.6°F. Between noon and 3pm, the temperature went up 11.1°F. Between 3pm and 6pm, the temperature decreased by 17.5°F. What was the temperature at 6pm?

The temp is -47F

second option

step-by-step explanation:

the measures of a triangle equal 180. use that to find x.

2x+3x+4x=180

9x=180

9x/9=180/9

x=20

now you know x, you know angle a is 40°, angle b is 60°, angle c is 80°.

because angle a is 40°, the first option doesn't work.

because angle b is 60°, the second option does work.

when you add angle a and b, you get 100°. complementary means it equals 90°, so the third option doesn't work.

when you add angle a and c, you get 120°, which is not 100.

idk

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