Three digit numbers that the first number minus the second equals the second minus the third

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ab=4 and bc=3, find ah, ch and bh.

Which of the following is a justification used while proving the similarity of triangles lom and mon

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid