28 girls went camping there was 2 activtes volleyball and swimming 14 went swimming 5 did both how many played only volleyball

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

If value of cos330° is √3/2 then find tan165°.

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?