Ethan is printing some materials for a meeting if the printing of the first copy cost 1 1/2 dollars and other copies cost 4/5 of a dollar each to print how much will it cost if he is making 13 copies?

  $11.10

Step-by-step explanation:

The last 12 copies cost $0.80 each, so the price of those plus the $1.50 price of the first copy will be ...

  $1.50 +12×0.80 = $1.50 +9.60 = $11.10

Ethan's printing job will cost $11.10.

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)