3(r-16)=9
3r-48=9
3r=57
r=19
Answer:
{x,y} = {1,2} I believe <3
Step-by-step explanation:
Y=4x shows y as the total earnings and x as the number of windows
Use the triangle angle theorem:
All interior angles of a triangle equal 180 degrees.
If you use the theorem you should get the first one 19,70,91
27^(-2/3)=1/((∛27)^2)
=1/3^2
=1/9
