Please help! Don't put anything random for the points I really need help!

What is the binomial expansion of (2x-3)^5

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Worth 15 points handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony? a= p = 1/4 b= p+0.25p c=(p + 1/4)p d=5/4p 0.25p choose 2 answers