To isolate the variable in the equation -3x - 9 = -27, the first step is to add 9 to both sides. this gives you -3x = -18. what is the next step to isolate the variable?

a.+ 18 b.18 c. -3 d.+ 3x

The late fee for library books is $2.00 plus 15¢ each day for a book that is late. if maria’s fee for a late book was $3.20, write and solve a linear equation to find how many days late the book was.

The graph shown is the graph of which function?

Darren earned $663.26 in net pay for working 38 hours. he paid $118.51 in federal and state income taxes, and $64.75 in fica taxes. what was darren's hourly wage? question options: $17.45 $19.16 $20.57 $22.28