Erin's sister needed to buy some perfume for a birthday gift. The 1.5 fluid ounce bottle cost $43.95.The 3 fluid ounce bottle cost $88.98. What was the unit price of each item? Which bottle was the better bargain?

This is geometry. could anyone ? i can't fail this class. my grade is quite low already.

What is [tex] {7}^{98 + \sqrt{4} } - 3 \times (64 \div 2 + 4 - 36) \times a = a + 36[/tex]?

Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?