The formula below gives n, the number of people who will go to a concert, as a function of p, the number of posters that are displayed to advertise the concert.
n(p)=60p-p^2

what is the value of n(9)?

1

step-by-step explanation:

it's the only multiple of both and the least

d. millimeters per hour.

step-by-step explanation:

we are given that,

carlo used a rain gauge to measure the amount of water his lawn is receiving from the sprinklers.

since, according to the options, we see that,

water cannot be measured by 'miles per hour', 'meters per second' and 'grams per seconds'.

we get that, the water can be measured by 'millimeters per hour'.

hence, the appropriate rate for describing the amount of water is 'millimeters per hour'.