68 divided 503 using 2 compatible numbers

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

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