Answer:
1 is a
Step-by-step explanation:
The answer is C
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<u>Answer</u>:
x = 5
<u>Explanation</u>:
If the angle are parallel:
step 1:
21x + 7 = 22x + 2
21x - 22x = 2 -7
-x = -5
x = 5
finding upper angle, then when both lies on straight line equals to 180°
step 2:
180 = (180 - 22x - 2 ) + 21x + 7
180 = 180 - 2 + 7 - 22x + 21x
180 = -x 185
-5 = -x
x = 5
C=6+3h
the cost would be the fee of 6 dollars, with the 3 dollars added every hour