Isaac's birthday party costs $3 for every guest he invites. How many guests can there be, at most, if Isaac can afford to spend a total of $18 on his birthday party?

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults.how many students and adults went if the ticket charge was $42.75

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?

X² + 4y² = 36 the major axis runs along: a) y=4x b) x-axis c) y-axis