On Saturday Mrs. Armour bought seven pairs of socks for three dollars each, and a sweater for her dog for twelve dollars. Then she found a five dollar bill on the sidewalk. Over the course of Saturday what was the change in the amount of money Mrs. Armour had?

a) justify

step-by-step explanation:

justifying is just part of everyday life. justify kind of means proof so i think the answer is a) justify.

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'.