Joanne wrote (4x1/100)+(8x1/1000)which measurement above did Joanne record in expanded form

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.

How is the number of vertices for a prism related to the name of the prism

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form