23 math majors, 32 music majors, and 45 history ,majors are randomly selected from 375 math majors, 526 music majors, and 743 history majors at the state university. What sampling technique is used

what is the question here

step-by-step explanation:

an altitude of 15,000 feet

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)

17.08

correct me if i am wrong.