Please help Find each unit price and tell which is the better buy.
1. 8.2 oz of toothpaste for $2.99 or 6.4 oz of toothpaste for $2.49
2. A 3 lb bag of apples for $2.99 or a 5 lb bag of apples for $4.99
3. 16 oz bottle of soda for $1.25 or 20 oz bottle of soda for $1.55
4. 3 dozen binder clips for $2.88; 72 binder clips for $5.40
5. Mavis rides the bus every day. She bought a bus pass good for the month of October for $38.75. How much was Mavis charged per day for the bus pass?

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

Select the correct answer. in the figure, angle k measures 45°. what is the measurement of angle c? a. 38° b. 45° c. 90° d. 98°

Which of the following statement about pascal's triangle are true?