84 blue marbles.
Steps:
1) Use the 3:7 ratio
2) Since there are 36 red marbles, you should know to multiply the ratio by 12.
3) Multiply 7 by 12 (7x12=84)
E = 2.718281828...
rounded to 3 decimal places
2.718
The statement given is :
If a figure has three sides , it is a triangle
contrapositive statement is :
If a figure is not a triangle, then it does not have three sides.
last option is correct
Answer:
-6/5
Step-by-step explanation: