Answer:
15
Step-by-step explanation:
21 - 6 equals 15 unless if its 21 + 6 then its 27
Answer:
I have 12 marbles, and I need 3 times the amount to qualify for the marble contest.
Step-by-step explanation:
Answer: z= 110 degrees
Step-by-step explanation:
180-70= 110
(a line is equal to 180 degrees)
I think it would be twelve because it is a multiple of 3 and a sum of 4