Isoctane of molecular formula(C8H18) is one of the principal constituents of car fuel. 20g of isoctane is burned:
a) Write the equation for the complete
combustion of isoctane.
b) Calculate the number of moles of
oxygen consumed.

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?