The answer is a) 35
The steps:
180° - 95 ° = 85 °
180 ° - (85 ° + 60 °)=35 °
3^2 = 9
9/9 = 1
1 + 12 = 13
This is based on the Order of Operations.
Hope it helps! :D
3/15 means if you pay the bill within 15 you will get a discount by 3%
Now solve your question
178.95−(178.95×0.03)
=173.58 be paid
take square root and subtract y2 from y1 and x2 from x1