It may be can be number 1 (a)
The answer for -2.5x-10=40 would be:
x = - 20.
Answer:
Try out each different answers and see which one would work.
Step-by-step explanation:
Go to A, and then B and then C and then D to find the correct one. Plug in the answers to find out which one is correct.
(-2)^2 actually equals 4
-2×-2=positive 4. :)
It belongs in rational numbers because if you converted it into a decimal, it would only be .25. If it was a number like pi, then it would be an irrational number because there is almost no end to it.
