4x+20y=140 x+3y=146 equation 1 is modeled for the percentage of never married americans, y, x years after 1970 and equation 2 is modeled for the percentage of married american adults y, x years after 1970

Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint. how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.

Measures of the angle of r, 31 s (x+4) t (3x+9)