A particular store sells items for only $1, $3 and $5 and charges no sales tax. If Georgia buys nine SI items, seven $3 items and three $5 items
from this store, what is the total amount she will be charged?
SI $3 $5

Combine like terms to make a simpler expression 3z+z

What is the volume of the cone to the nearest cubic millimeter? (use π  = 3.14) a) 46 mm3 b) 128 mm3 c) 183 mm3 d) 275 mm3 diameter = 5 mm height = 7 mm how do you do this problem step by step?

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?