11 protons, 12 neutrons, and 11 electrons. what is the atomic mass of the atom? * 1 point

The table respent two linear functions the equation respented by the first tables is given

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.