21 students
You find this by subtracting the number of students absent from the total amount of students in the class 
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The perimeter of a polygon or any shape is just the sum of all of its sides. If you are asked to find the perimeter of a polygon, you would simply just add all the sides together. For example, if a square has 4 sides with the length 2m, the perimeter of that square would be 2m + 2m + 2m + 2m = 8m. Perimeter just means add all the sides.
3x2+8x-10 // the answer is 8x
Answer:
we dont know an exact but
Over 1 million marine animals (including mammals, fish, sharks, turtles, and birds) are killed each year due to plastic debris in the ocean
Step-by-step explanation:
Currently, it is estimated that there are 100 million tons of plastic in oceans around the world.
Answer: 1/32
Step-by-step explanation: Each day, the fraction/number is dividing by 2. Therefore, day 5 would be 1/16, and 1/16 divided by 2 would be 1/32.
