PLEASE HELP ME !! Miranda had a collection of 800 nutcrackers given to her by her grandmother every Christmas. Of these nutcrackers, 20% were dated before she was born, 15% are dated from 1991 to 1999, and the rest are dated after 1999. How many nutcrackers are in Miranda’s collection are dated after 1999?
answer choices:
160
750
120
520

Which of the following is an equation of a line parallel to the equation y=4x+1?

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds.then use the distributive property and mental math to evaluate the expression.

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?