Las 6.32 hectáreas ¿a cuanto equivalen?​

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

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?

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?