Greg went out for breakfast and had pancakes for $5.95, sausage for $1.50, and orange juice for $1.75. He would like to tip the waiter 15% of the total price. How much tip should Greg leave? $1.16
$1.23
$1.38
$1.12

PLZ SHOW WORK OR SAY HOW TO DO IT TO GET BRAINLIYAST

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?