Asinger has memorized 12 different songs. if every time he performs he sings any three of these songs, how many different performances can he give?
a- 4
b- 12
c- 110
d- 220
e-440

If given an equation of a line such as -1/2x+6 how would you create an equation of a line parallel and perpendicula to this line that goes through another point such as (4,10)

What is 20+(5 x 2/5 )+ 3 show your work

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet