Your cell phone company Offers you a choice between two promotional deals you can either get 500 free text messages with the charge of $.10 for each text message over 500 or you can get 400 text messages with a charge of $.20 for each text message over 400 how many text messages would you have to send for the cost to be the same for either Plan?

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

c

c

c

c

c

c

c

cc

c

step-by-step explanation:

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.

it is x equals 3   plese mark me really need it

step-by-step explanation: