Iwill mark as the brainliest

a used electronics store pays $40 for each cell phone, spends $25 refurbishing the phone, and sells the refurbished phone to a customer for $100.

a. write an expression in simplest form that represents the company's earnings (in dollars) from buying, processing, and selling cell phones. use x to represent the number of cell phones they sell.

an expression is (i need an expression to ) dollars.

question 2

b. what does the coefficient of the expression in part (a) represent?

a.) the amount (in dollars) the company spends on each phone

b.) the amount (in dollars) the company earns from each phone

c.) the amount (in dollars) the customer loses from each phone

d.) the total number of phones the company sells

Arecent study focused on the number of times men and women who live alone buy take-out dinner in a month. assume that the distributions follow the normal probability distribution and the population standard deviations are equal. the information is summarized below. statistic men women sample mean 24.85 21.33 sample standard deviation 5.54 4.93 sample size 34 36 at the 0.01 significance level, is there a difference in the mean number of times men and women order take-out dinners in a month? state the decision rule for 0.01 significance level: h0: μmen= μwomen h1: μmen ≠ μwomen. (negative amounts should be indicated by a minus sign. round your answers to 3 decimal places.) compute the value of the test statistic. (round your answer to 3 decimal places.) what is your decision regarding the null hypothesis? what is the p-value? (round your answer to 3 decimal places.)