The first side of a triangle is 40 cm shorter than twice the second. The third side is two cm longer than the second. The perimeter is 70 cm. What is the length of the 3 sides? SELECT ALL
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27
23
14
13
29

One integer is 5 more than another. their product is 104. find the integers

Which of the following is not a subset of {1,2,3}?

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?