Do yall need the formal for this i really need help.

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

What expression is equivalent to 42x-56y

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)