7÷2=3.5 each of them get 3.5 cookies
If signs are different you subtract. So 2.5- -1.25 equals 1.25 and keep the sign of the biggest number
True because it is used to collect information on data tables and other things.
Answer:
The answer is C. (a + -a = 0 )
Step-by-step explanation:
"The additive inverse of a number a is the number that, when added to a, yields zero"
Answer:
C (The third one)
Step-by-step explanation:
Light bends when it goes through water
Refracts when hits a specific glass thing
and reflects when it goes off a mirror