What is the length of AC

AC = 18 ft

Step-by-step explanation:

A segment joining the midpoints of 2 sides of a triangle is half the length of the third side. then

AC = 2 × MN = 2 × 9 = 18 ft

answer: you have to send a photo of the question

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'.