Match the correlation coefficients with the scatterplots shown below. Scatterplot Correlation coefficient Scatterplot A r= -0.79
Scatterplot B 0.88
Scatterplot C 0.68
Scatterplat D r= -0.33 ​

Answer is in the photo. I can only upload it to a file hosting service. link below!

cutt.ly/rzNrBcz

1gm = 1000mg so 0.1gm = 1000mg

first, convert the weight to kg

160lb * 1kg/2.2lb = 72.7kg

next, the dose

72.7kg * 100mg/kg = 7270mg

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!