Jeni has 7 flavors of cake in his bakery. How many options are there for Sheera to pick a one-flavor, two-flavor,three-flavor, four-flavor, five-flavor, six-flavor or seven-flavor order?  Options:  A) 423  B) 325  C) 142  D) 171  E) 127
7C1 + 7C2+ 7C3+7C4+7C5+7C6+7C7 =127 .   Answer: 127
<result>E</result>
Jeni has 7 flavors of cake in his bakery. How many options are there for Sheera to pick a one-flavor, two-flavor,three-flavor, four-flavor, five-flavor, six-flavor or seven-flavor order?