Constant/s Variable/ 1) 2x + 7y

2) 12mn

3) 3X-5

4) k
7

5. – 8(a+b+c)

6. x² + xy – y²

7. abc-8

8. c'-5d

9.(x+y)
3x

10.9b ÷ (a + b)​

What is the circumference of the pie

Dylan is evaluation the expression 13+19+7+10 at one step in his work, dylan rewrites the equation as 13+7+19+10 which property of addition must dylan have used when he evaluated the expression?

Ana’s dachshund weighed 5 5/8 pounds when it was born . by age 4 the dog weighed 6 times as much. fill each box with a number or symbols from the list to show how to find the weight of ana’s dog at age 4 . not all numbers and symbols my be used