2, What method of data collection would you use to collect data for a study where a
drug was given to 48 patients and a placebo to another group of 48 patients to
determine if the drug has an effect
on a patient's illness?
A) designed experiment
B) observational study
C) survey
D) published source

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.