Choose all that apply. Algebraic terms are separated by .

÷
+
=
-
x

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Measures of the angle of r, 31 s (x+4) t (3x+9)

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)