At a conference, the organizer determined that 32% of the attendees were between the ages of 18 and 29. Since there were 216 attendees in this age range, there were
total attendees at the conference.

the answer is 675

Step-by-step explanation:

for me other answers were wrong

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'.

answer: idk

step-by-step explanation: