Jaylin created the following expression: 100 POINT CORRECT ANSWER ONLY
25x −310 − x + 1710x − 110
Jaylin created an equivalent expression using the following steps:

410x + (−1x) + 1710x + (−310) + (−110)1110x + −25
Is his final expression equivalent to the initial expression? Show how you know. If the two expressions are not equivalent, find Jaylin's mistake and correct it.

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?

The box plot shows the number of raisins found in sample boxes from brand c and from brand d. each box weighs the same. what could you infer by comparing the range of the data for each brand? a) a box of raisins from either brand has about 28 raisins. b) the number of raisins in boxes from brand c varies more than boxes from brand d. c) the number of raisins in boxes from brand d varies more than boxes from brand c. d) the number of raisins in boxes from either brand varies about the same.

Need this asap if anyone can i would be very grateful. if you could show workings that would really