Mrs mckinney is getting internet installed in her house. the one-time installation fee is $86, internet coast mrs. mckinney $79 per month. altogether, how much will she pay for internet service in the upcoming year,2020?

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

Pls the last one and it has to be like number 6

(co 3) the times that customers spend in a book store are normally distributed with a mean of 39.5 minutes and a standard deviation of 9.4 minutes. a random sample of 25 customers has a mean of 36.1 minutes or less. would this outcome be considered unusual, so that the store should reconsider its displays? no, the probability of this outcome at 0.035, would be considered usual, so there is no problem yes, the probability of this outcome at 0.035, would be considered unusual, so the display should be redone no the probability of this outcome at 0.359 would be considered usual, so there is no problem yes, the probability of this outcome at 0.965 would be considered unusual, so the display should be redone