For this case we have by definition of trigonometric relations of rectangular triangles that, the sine of an angle is given by the opposite leg to the angle on the hypotenuse of the triangle. Then according to the figure we have:

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Answer:
Option A
The amount for the discount is 150$
Answer:
The total number of halves is 4 and the lines are considered as 1/4, 1/2 and 3/4.
Step-by-step explanation:
When both the strips are placed end to end the total number of halves is 4, 2 for each of the paper strips. Lines are as indicated in the figure attached.
Answer:the percent decrease in the amount of water from 35gallons to 32 gallons is 8.6%
Step-by-step explanation:
The initial amount of water was 35 gallons.
Due to a leak, the amount changed to 32 gallons after 1 hour. After another hour, it decreased to 26 gallons.
The amount of water that was lost when the amount changed from 35 gallons to 32 gallons after 1 hour is
35 - 32 = 3 gallons.
Therefore, the percent decrease in the amount of water from 35 gallons to 32 gallons would be
3/35 × 100 = 8.6%