Nova receives a bill for her cell phone each month. she pays a flat fee of $35 plus $0.05 per text message. this month, her bill without taxes was $51.50. which equation gives the number of text messages, t, she sent this month?

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

Can someone explain to me how to do