Agame company makes a board game that comes with 2 dice and a card game that comes with 3 dice. what expression shows the total number of dice in b boxes of the board game and b of the card game?

a 5b
b 5(2b)
c 5+b
d 2b+3

What is the sum of these mixed numbers 2 1/8 + 4 3/8

With finding limits of multi variable !

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?