Express the set using the roster method. {x|x is a day of the week that begins with S}
I.
Choose the correct answer below.
A. {Saturday}
B. {Saturday, Sunday}
C. {Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday}
D. {Sunday}
E. The set has no elements.

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

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?

Opposite angles in a parrellelogram are