The solar energy company where you work as a sales representative is running a 20% off sale on its residential solar panels. if a homeowner pays $20,000.00 for the panels at a discounted price, what was the original cost of the panels?

Write the expression 7x^3-28xy^2 as the product of 3 factors

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.

Cherie works in retail and her weekly salary includes commission for the amount she sells. the equation s=400+0.15c models the relation between her weekly salary, s, in dollars and the amount of her sales, c, in dollars. interpret the slope of the equation.