What are the factors of the polynomial below?

x²+8x-20

a. (x+10)(x-2)
b. (x+2)(8x-2)
c. (8x+12)(x-1)
d. (x+8)(x-2)

In a box lenght 1m breadth 60 cm and height 40 cm small rectangular packets of dimension 5 cm into 8 cm into 10 cm are packed. how many such small packets can be packed in the big box?

Sorry guys but as you have a small brain

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?