Ms. Günster has signed a mobile phone contract. It pays a monthly basic fee of € 2.95.
In addition, each SMS costs € 0.05 and each conversation unit € 0.15 per minute.
Only whole minutes are billed.

3. Write down a term that Ms. Günster can use to calculate her total monthly costs.
Use the variable a for the number of text messages written and the variable b for the number of minutes.​

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)

the answer is 21%.