Stacy goes to the county fair with her friends. the total cost of ride tickets is given by the equation c = 3.5t, where c is the total cost of tickets and t is the number of tickets. if stacy bought 15 tickets, she would spend

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

Which expression is rational? 6. , square root two, square root 14, square root 49

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?