Dan is using tiles to add - 8 +6. He begins with the tiles shown below.
What is the sum of -8+6?
0-14
-2
02
14

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6