Answer:
a=170
Step-by-step explanation:
(a+10)=180[because being a straight line]
or, a+10=180
or,a=180-10
a=170
Therefore,a=170
Answer: B. 9/25
Work Shown:
x% = x/100
36% = 36/100
36% = (9*4)/(25*4)
36% = 9/25
Using your calculator, you should find that 9/25 = 0.36 which converts to 36%, so that helps confirm the answer.
It would be the last one to add up to 180 witch is a triangle or supplementary
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Answer:
4.09
Step-by-step explanation
since negatives over power positive numbers
-6.8+(-2.71) - will simplify plus into minus
-6.8 - 2.71 - now just subtract
6.8-2.71=4.09
