This should be a very simple question on interior angles adding up to 180º, however, i'm continuously getting it wrong.

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

For g(x) = 5x - 3 and h(x) = [tex]\sqrt{x}[/tex], find (g · h)(4)

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earn $75 in interest. how much interest will she earn during the following year?