Acell phone company charges $40 per month for unlimited calling, and $0.20 per text message sent. if t represents the number of text messages roxy sent last month, which expression represents the cost of her bill last month before any taxes or additional fees?

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?

How can (square root of 25) ^2 be rewritten?