Answer:
a
Step-by-step explanation:
They make a right angle. A right angle adds up to 90.
The answer is (3) 4896.
This number comes from multiplying 18 x 17 x 16
This is because any of the 18 students could be picked as a leader. Then, any of the remaining 17 students could be picked as a recorder. Then, any of the remaining 16 students could be picked as a timekeeper. Therefore, you multiply 18 by 17 by 16 to get 4896 combinations.
Answer:
13 gallons of water
Step-by-step explanation:
Answer:
Perimeter= 49
area= 360
Step-by-step explanation:
perimeter means you need to add 40+9 and area means you must multiple the numbers.