You have decided to try and convince your parents to let you get your own cell phone. Which of the following options will best suit your needs? HORIZON’s phone plan offers 300 free minutes for a flat fee of 25 dollars. If your usage exceeds 300 minutes, you pay $1.50 cents for each minute.
The LEAP company has a cell phone plan offering 500 free minutes for a flat fee of 45 dollars. If your usage exceeds 500 minutes, you pay $.50 cents for each minute.

A) Write an equation to represent each phone plan. Use your equations to find when both companies will charge the same amount.

B) When is HORIZON a better choice? Explain your reasoning

C) When is LEAP a better choice? Explain your reasoning

2nd one in the first row is correct

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.