M is a factor of n so the answer is d
Answer:
30+ 15 =45
Step-by-step explanation:
(3×10)+15 =45
Answer:
Hello,

Step-by-step explanation:

If the 3 is supposed to be replaced by any x's, then the answer would be 29 I believe.
Answer:
They practiced a total of 75 math facts in all!
60 + 15 = 75 :D