Is y=2x+3 y=4x-1 one solution no solution many solutions

Sal is tiling his entryway. the floor plan is drawn on a unit grid. each unit length represents 1 foot. tile costs $1.35 per square foot. how much will sal pay to tile his entryway? round your answer to the nearest cent.

After two years, how much has been paid into interest?

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth