Which value of a would make the following expression completely factored? x² - a

A. 12
B. 36
C. 49
D. 81

no, x cannot be the same number. in all of them, x is 1. for one input there is another output. g is not a function

give brainliest

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'.

the first one, all those points on the line just make a strait line.