Mr. jackson made some sandwiches for a party. of them,3/5 were chicken sandwiches and the rest were tuna sandwiches. there were 240 tuna sandwiches. how many chicken sandwiches were there?

Is the square root of 4 plus the square root of 16 rational?

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

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 jame pay at the end?