Customers of a phone company can choose between two service plans for long distance calls. the first plan has no monthly fee but charges $0.14 for each minute of calls. the second plan has a $23 monthly fee and charges an additional $0.09 for each minute of calls. for how many minutes of calls will the costs of the two plans be equal?

460 minutes

Step-by-step explanation:

plan 1  : .14 m

plan 2:   23 + .09m

set them equal

.14m = 23 + .09m

subtract .09m from each side

.14m-.09m = 23 + .09m-.09m

.05m = 23

divide by .05 on each side

m = 23/.05

m = 460 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)

step-by-step explanation:

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