What are some strategies you use to make sure you have the correct sum when adding positive and negative numbers?

So, if you have learned it than I would make it a decimal or fraction. Decimals are easier though for me.

Step-by-step explanation:

answer

a,b, and d

explanation

a reflection angle is more than

but less than;

an angle that measures

is a reflex angle.(true)

an angle that measures less than

is acute.(true)

provided we are considering angles greater or equal to zero.

an acute angle lies in the range.

an obtuse angle is less than 180° but more than 90°

an angle that measures 300° is obtuse (false)

an angle that measures 65° is an acute angle.(true)

c

step-by-step explanation: