the square root of 209 is 14.456832295 but to make it smaller its 14.456 but after the 6 its an 8 so do i round the 6 to a 7 to make it 14.457 ?? if that makes sense

Sum is 17 and their difference is 3

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)

One file clerk can file 10 folders per minute. a second file clerk can file 11 folders per minute. how many minutes would the two clerks together take to file 672 folders?