You were given the responsibility of counting the coins in the collection plate. All the queens were either dimes or quarters. You counted $6.80 in change I'll together. If 1/4 of the coins for dimes, how many quarters or give them?

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

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?