Which of the binomials below is a factor of this trinomial?
x2 + χ- 20
Α. χ+ 4
Β. x-4
C. χ- 2
D. X+ 2

What is the slope of a line that is perpendicular to y = 3x + 1

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jamie pay at the end?

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?