Jim's investment of $4500 has been losing its value at a rate of 2.5% each year. what will his investment be worth in 5 years

Somone me i want to know what 18 hours out of 24 hours in a fraction

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?