Which parabola will have one real solution with the line y = x – 5?

y = x2 + x – 4
y = x2 + 2x – 1
y = x2 + 6x + 9
y = x2 + 7x + 4

What is the answer to |-2x-5|-|-4+8| and x=7

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.

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?