If 333 + 555 = 999
And 123 + 456 = 488
And 505 + 213 = 809
Then, 344 + 732 = ???

Can someone me with the property questions for 12 13 and 14 plz

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'