Pls help me lol (2x2 - 5)(3x2 + 4)

a
6x^4 + 7x^2 - 20
b
6^x4 + 23x^2 - 20
c
6x^4 - 7x^2 - 20
d
6x^4 - 23x^2 - 20

15. if the 8% tax on an item amounts to $0.96, what is the final price (tax included) of the item?

Aski resort is charging $37.50 to rent a snowmobile for 5 hours. at this rate what will be the cost for a family of 5 to rent snowmobiles for 3 hours on the first day of their vacation and 4 hours for on the last day of their vacation

Let y = and z = . translate "z less than y" into an algebraic expression, and solve it.