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)
The answer is D. 15, 36, 39.
Answer:
19
Step-by-step explanation:
9 - (-10) = ?
To do this, we need to use the additive inverse and the method of K(eep)F(lip)C(hange)
So, the problem becomes: 9 + 10 = ?
Do the math, and you get your answer of 19.
Im pretty sure the answer is D, because if i used the right formula,

you should get this in the formula


a 2 subtracting a negative 6 makes it a positive, meaning your just adding 6 plus2, to get 8
Its 13 i think im not sure type it in on google..