You would have to put 4.99 times 20 which will cost 99.80 for 20 gallons.
W^B = W×W×W×W... (#B times)
Something along those lines.
Answer:
Step-by-step explanation:
Leg = x
Hypotenuse = 16
I’m thinking it’s c if I’m incorrect I’m sorry
Answer:
Instrumental variable
Step-by-step explanation:
cov(z,u) shows that the instrumental variable is exogenous. An instrumental variable can also be regarded as a third variable, It is included in the model if you have an issue of endogeneity in your regression model. An endogeneity problem arises if there are other variables are being influenced by other independent variable in the same regression model. we use z to account for these behaviours in the model. this variable controls for measurement errors as well as confounding errors.
