Answer:
(-7)×(-7)=+49
You change the signs and multiple
Answer:
a
Step-by-step explanation:
it is all doubles
So the first integer is 61.
Then the others must be 62, 63, and 64. To check, you can add them all together. 61+62+63+64=250.
Answer:
Because people are not so smart and answer wrong
Step-by-step explanation:
