Which value of b from the set {10,11,12} makes this question true?

55 - 3b = 19

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute