If the texting portion of your plan for $15 a month and you said 500 text messages in a month how much does it cost per text

Abag contains 3 red marbles 4 white marbles and 5 blue marbles if one marble is drawn from the bag what is the probability that the marble will be blue

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2