Round the United States population 316,984,361 to the nearest million.

it would be 7,000,000

Step-by-step explanation:

you look at the 6 and the 9 and round up or leave it alone

1/5x+9 2/5y+7

step-by-step explanation:

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'.