Exam Maths Puzzle Algebra

A pitcher holds 6 times as much water as a paper drinking cup. Three pitchers hold 39 ounces more than 5 drinking cups. How many ounces does a cup hold?

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Exam Other Question

Q1) What are the intercepts of y = -3x - 1
Q2) What are the intercepts of y= -3x + 2
Q3) Write an equation for the vertical line passing through point (-5, 3)
Dear sir/mam,

Actually,I am finding Area of segment in a Ball mill(Circle). But I am getting segment area very higher(100 m2) for a 8.5 m3 mill volume. I used the formula for segment area which is having inverse of cosine. Could u please tell me the correct formula for finding segment area.

Thankyou,

Premanand.S