A certain company changes for teling a rectangular room include the cost of the material used and a flat rate of instalitation. Te lenght of certain room is 2 fett more than with, and the company's chrages, in dollars, for tiling the room are 12.5x(x+2)+400

nknknStep-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'.