The ratio of boys to girls in a class is 6:4. If there are 30 students in the class, how many are boys

18

6 + 4 = 10

30 / 10 = 3

6 * 3 = 18

idk how to explain it better lol sorry

; )

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)