Answer:
option C
Step-by-step explanation:
Total number of items = 5
Number of items to choose = 2
Therefore, the number of combinations is

Answer:
he first is a numerical sentence and the second is an equation
Step-by-step explanation:
equation because there's "="
Answer:
147
Step-by-step explanation:
2(X)= (X) x (X)
12 x 12 + 3= 144+3=147
Answer:
I would say plane XYN
Step-by-step explanation:
Well, for the first question, the answers will be (a) 13 per row, because 13*13=169, and (b) a square, because the dimensions will be 13x13.