Rayna is building a tapered staircase using wooden boards. The bottom stair is 3 ft wide, and the top stair is 2 ft wide. Each stair is 4 in.
shorter than the one below. What is the total length of wooden boards Rayna needs for the stair tops, in feet? Enter your answer in the box as
an improper fraction.

Ateacher asked his students to vote for an animal to be their class pet. five-eighteenths of the students voted for a rabbit, voted for a snake, and voted for a hamster. which statement is true? more students voted for a hamster than a snake. more students voted for a snake than a rabbit. more students voted for a rabbit than a hamster. more students voted for a snake than a hamster.

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

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earned $75 in interest.how much interest will she earn during the following year?