A study reported a correlation of 0.5 for data relating cannabis use as the predictor variable to early death syndrome as the response variable. Interpret the coefficient of determination for these data. a. A correlation of 5 is very strong; it appears cannabis use causes early death.
b. A correlation of 5 is moderatent appears cannabis use may cause early death.
c. A correlation of .5 is weak; cannabis probably does not cause early death
d. A correlation of 5 is moderate, there appears to be a relationship but the nature of the relationship is not specified

Estimate the product. round the first factor to the nearest whole number, round the second factor to the nearest ten, and then multiply. 3 8/9 × 96

/is used for a fraction 1) if x = 2/3 and y = 3/4, what is the value of (x + y) (x/y) expressed as a common fraction? 2) what is the least positive integer greater than 1 that leaves a remainder of 1 when divided by each of 2, 3, 4, 5, 6, 7, 8, and 9? 3) the ponde family's powerjet pumps 420 gallons of water per hour. at this rate, how many gallons of water will it pump in 45 minutes? 4) kim's insurance company pays 80% of the cost of all prescription medication she purchases in a year beyond the first $250 worth of prescriptions. her prescriptions for this year cost a total of $570. how many dollars of this amounts will kim's insurance company pay?

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.