Use euler's formula to find the missing number.
verticies: 14
edges: 36
faces: ?
a) 24
b)25
c)23
d)27
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Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

The tile along the edge of a triangular community pool needs to be replaced? ?

Jonah buys a television that costs $445. sales tax in his state is 7 percent. which of the following expressions represent the amount of tax on the television?