Points a and b both lie on the line y=3x+7. Work out the missing y coordinate for a and the missing x coordinate for B?

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.

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?