21: MathXL for School Practice & Problem Solving Gentis post ou to
2.1.PS-11
E Question Help
Challenge An arts academy requires there to be 6 teachers for every 138 students and 5 tutors for
every 40 students. How many students does the academy have per teacher? Per tutor? How many
tutors does the academy need if it has 104 students?
The academy has students per teacher,
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The areas of the squares adjacent to two sides of a right triangle are shown below. 3 3 units 2 33 units 2 4 4 units 2 44 units 2 ? ? what is the area of the square adjacent to the third side of the triangle?

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)