3-4=
a. -81
b. -1 upone 81
c. 1 upon 81​

2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !

Mr switzer needs to buy new 1-foot tiles to cover his bathroom floor. the floor is 12 feet long and 8 feet wide. each square foot of tile will cost $1.79. in dollars what will be the total cost of the tiles he needs to buy.

Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest