Answer:
x = 4
Step-by-step explanation:
steps are in the pic above.
Answer:
780
Step-by-step explanation:
round up to the nearest ten
Answer:
Step-by-step explanation:
Answer:
Negative five is in fact a rational number.
Step-by-step explanation:
Rational numbers can either be negative or positive. An irrational number would be pi (3.14159 etc.)
Answer:
-18
Step-by-step explanation:
You can basically just drop the plus sign and remove the parenthesis because the plus sign doesn't alter negatives.
-6+(-12)
-6-12= -18
