To what place value is the number rounded 5.319 to 5.3

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

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?

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?