Fill in the number to show 3x8

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

If my mom gets $13.05 an hour, and she works from 3: 30 to 10: 45 in the morning, how much money does my mom make?

Whoever gets this right gets the ! the half life of a soul smelling substance is 4 years. if you have 8 oz of this strange substance, how much of it will you have after 20 years? show work.