Which of the following best describes the expression 12(x + 3)?

the product of a constant factor 12 and a 2-term factor x + 3
the sum of a constant factor 12 and a 2-term factor x + 3
the sum of constant factors 12 and x + 3
the product of constant factors 12 and x + 3

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)