14. cell phones gabriel pays $40 a month for basic cell phone service. in addition,
gabriel can send text messages for $0.20 each. write and solve an equation to find the total
amount gabriel spent this month if he sends 40 text messages.

$44

Step-by-step explanation:

Okay, for one month Gabriel would pay a $40 for basic cell phone service. He pays $0.20 per message sent.

One month fee:$40

20 messages sent would be $4 because 0.20*20=4

Now lets add $4 to the $40 dollar fee we pay each month.

$40+$4=$44

Step-by-step explanation:

So first what you need to do is try subtracting 40 and 20 then multiplying 40

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)