The average distance from the sun to earth is how many miles?

Multiplying an even number of negative numbers gives an answer that is choose from:

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?