Could someone me to understand these questions

if , what is the value of x? explain your answer.

if , what are the possible values of x? explain your answer.

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.