4+x=18, the sum would make it an addition problem and x would represent "a number".
Answer:
9th Triangle
Step-by-step explanation:
Given the area of four triangles:
If the Scale factor is 1.5.
This is a geometric sequence and the common ratio is 1.5 X 1.5.
Therefore, the area of any n triangle can be determined using the function:

We want to determine which triangle has an area greater than
.
When A(n)=15000

Therefore, the 9th triangle has an area greater than
.
Answer:
2/10 or 20% chance to pick a yellow marble
Answer:
2 tablespoons
Step-by-step explanation: he divided the 6 by two to get three so I divided the 4 by two to get 2