( 1/9 + 1/3 ) + 4/9 please help me with this use properties and mental math to solve write your answer in simplest form

8/9

Step-by-step explanation:

4/9+4/9

1/9+1/3= 4/9 so than add that by the other one and it gets you to

8/9

you have to convert the thrid to three ninths by multiplying it by 3 . then add it to the one ninth and you should have four ninths. add it to the other four ninths amd your final answer should be 8/9

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)