C!
One dollar = $1
And in a math equation is usually a decimal
56 cents is .56 because it’s not a whole new If you add them together you get $1.56 :) hope it helps
Do 5 divided by 6 to get your answer
Solve the equation for x by finding a, b, and c of the quadratic then applying the quadratic formula.
x = −1 ± i√2
There's no real solutions