If you were to solve the following system of substitution 2x+6y+9
3x-12y=15
what would be the best variable to solve for and from what equation?

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

What are the domain and range of the function f(x)=2^x+1

Choose the correct translation for the following statement. it is at most ten. x< 10 x< 10 x> 10 x> 10