Answer:
42.5
Step-by-step explanation:
35+7.5=42.5
Answer: how many hours is she working
Step-by-step explanation:
Answer:
36
Step-by-step explanation:
add the total that signed up for chemistry with the total that signed up for english which would be 20+16=36
Answer:
x = 30
Step-by-step explanation:
a) The sum of the angles along the line is 180°. That means ...
2x° +90° +x° = 180°
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b) Subtracting 90° and dividing by 3° gives ...
3x° = 90°
x = 30