12+[ 9 4/5 - ( 1.5 + 2 2/10)]

Someone please help me?​

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?