FIFTY POINTS! Two different telephone carriers offer the following plans that a person is considering.
Company A: charges a
$25
monthly fee and
$0.10
/min for calls
Company B: charges a
$10
monthly fee and
$0.20
/min for calls
Find the model of the total cost for both companies for one month, using
m
for the minutes.
Company A:
A
=

Company B:
B
=

How many minutes of calling in one month would make the two plans equal?
minutes

If the person makes a monthly average of
200 minutes of calls, which plan should the person choose?
Company A
Company B

Answers may vary. Possible answers: We should define in words what our variable is representing. We should declare the variable. A heading.

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)

the anwser is d) 75°

step-by-step explanation: