A cell phone plan costs $30.80 per month for 500 minutes of talk time. It costs an additional $0.08 per minute for each minute over 500 minutes. To get e-mail access, it costs 20% of
the price for 500 minutes of talk time. Your bill, which includes e-mail, is the same each month for 5
months. The total cost for all 5 months is $208.80. Write and solve an equation to find the number of
minutes of talk time you use each month.
Let m represent the number of minutes over 500 minutes each month. Which equation represents
the given situation?

two data sets with the same median will not have the same varaibility

step-by-step explanation:

the polynomial is a perfect square trinomial of the form a^2-2ab+b^2:

option a. true

step-by-step explanation:

9x^2-12x+4

comparing with the form a^2-2ab+b^2

1.) a^2=9x^2

solving for a: square root both sides of the equation:

sqrt(a^2)=sqrt(9x^2)

a=sqrt(9) sqrt(x^2)

a=3x

2.) b^2=4

solving for b: square root both sides of the equation:

sqrt(b^2)=sqrt(4)

b=2

to be a perfet square trinomial 2ab must be equal to 12x. let's check:

2ab = 2 (3x) (2)

2ab = 12x

correct

he is going to fill two shelves and the third shelf will only have five video games