Someone help my sister (4th grade question)

Dana has some coins. She wants to display them in an array. Which of the following numbers of coins provides only 2 arrays for Dana to choose from?

А. 10
B. 16
C.25
D. 29​

Determine whether the samples are independent or dependent. upper a data set includes the morning and evening temperature for the lasta data set includes the morning and evening temperature for the last 90 days.90 days.

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?