Answer:
the blue dot is at -11 value on the number line.
Answer:
1. keep counting
2. He can do 5 times 3 to get to the 15th shape and then say 2 more to get the 17th shape.
(The 17th shape would be triangle)
Answer:
150%
Step-by-step explanation:
Answer: Olga's solution is incorrect
x + 7x is the same as 1x + 7x
7x2 is the same as 7x. x
x + 7 x simplifies to 8x
Step-by-step explanation:
The proportion is 0.4401.
We find z-scores that correspond with both ends of this interval. Z-scores are given using the formula:

For the lower end,

The proportion of scores to the left of this number is 0.2514.
For the higher end, the z-score is

The proportion of scores to the left of this number is 0.6915.
To find just the proportion of scores between these two, we subtract;
0.6915-0.2514 = 0.4401.