Acertain plant can grow up to 0.6 ft per day.
a. how fast in inches per a day can the plant grow?
b. how fast in inches per hour can the plant grow?

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

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