Simplify each of the following expressions.

a) 3x + 5x
b) m + m + m + m
c) 3y-2y+8y
d) 4p-4p
e) 5s-s-2s
f) 3x + 4y + 2x + 5y
g) 4w + 5t - 3w - t
h) 5m + 6 + 2m - n
i) 2x + 7y - y - x
) 9 + 5x - 3 + 7x
k) 7p + 8 - 2p - 5
1) y + 3x - 7 + 2x - y
m) 6 + 70 - 4c + 6
n) 5f + 9 + 2d - 7 - f

Please help

11. minitab software was used to find the lsrl for a study between x=age and y=days after arthroscopic shoulder surgery until an athlete could return to their sport. use the output to determine the prediction model and correlation between these two variables. predictor coef se coef t p constant -5.054 4.355 -1.16 0.279 age 0.2715 0.1427 1.9 0.094 r-sq = 31.16%

Triangle xyz has vertices x(1,3), y(0,0)

Given: and prove: what is the missing reason in the proof? given transitive property alternate interior angles theorem converse alternate interior angles theorem