Ralph is 3 times as old as sarah. in 6 years, ralph will be only twice as old as sarah will be then. find ralph's age now. if x represents sarah's age now, which of the following expressions represents ralph's age in six years?

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?

Consider circle o, where and . m∠bpd °. °.