Is the equation true, false, or open? Explain. -9a + 3 = -9a + 3* 5 (5 Points)
Open: there is a variable.
False; the expressions are never the same.
True; the expressions are the same for all values of the variables.

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)

The anwser cause i do not understand just plez