A speed skater covered 1,484 meters in 106 seconds. Find the unit rate of speed in meters per second. guys...please help me...I am confuzzled!!

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?

Ineed me i stuck and i don’t want to get it wrong