write as an addition problem
(-21)-42
A) (-21)-(-42)
B) (-21)+42
c) (-21)+(-42)
D) none of the above
I thought it would be c. Is this correct?
(-21)-42
A) (-21)-(-42)
B) (-21)+42
c) (-21)+(-42)
D) none of the above
I thought it would be c. Is this correct?