How much would it cost you to remodel a 12-foot by 8-foot room at a cost of $21 per square foot?
a) 1,008
b) 1,152
c) 2,016
d) 3,780

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

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.