Can someone plz help me with this!

(9+g)/f

Step-by-step explanation:

First you add 9 and g then it says "then divide f by the result" so it would come after addition and you have to divide the result by f so addition comes first so you should use () and put a division symbol by f

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'.

d is the answer

step-by-step explanation: