Abox of 80 coins, consisting of only nickels and dimes, is worth 7 dollars and 80 cents. find the number of nickels.

In the film, zeke the zombie slayer versus the zombies from space, zeke slayed 140 zombies. in the sequel, zeke the zombie slayer versus the zombies from space, part 2, he slayed 5% more zombies. how many zombies were slain by zeke in the sequel?

How many zeros does the function f(x)=4x3-x2+1 have

What expression is equivalent to 1/2(2+3x-6)