4. What is the difference between "waxing" and "waning"? 5. What is the difference between "gibbous" and "crescent"? 6. Where does the light from the Moon come from? 7. Why do we not see any of the light reflected off a New Moon?

The Royal Fruit Company produces two types of fruit drinks. The first type is \( 65 \% \) pure fruit juice, and the second type is \( 80 \% \) pure fruit juice. The company is attempting to produce a fruit drink that contains \( 70 \% \) pure fruit juice. How many pints of each of the two existing types of drink must be used to make 180 pints of a mixture that is \( 70 \% \) pure fruit juice?

3. พ่อค้าซื้อชั้นวางของราคา 100 บาท นำมาปิดราคาขายโดยคิดกำไร \( 35 \% \) ต่อมาเขาติดป้ายลดราคา 20 บ เขายังคงได้กำไรเท่าใด

\( 1 \leqslant \quad \) Using synthetic division, determine whether the numbers are zeros of the polynomial function. \[ -1,2 ; h(x)=x^{4}+3 x^{3}+2 x^{2}-8 x-8 \]

Suppose that \( \$ 2000 \) is loaned at a rate of \( 16 \% \), compounded annually. Assuming that no payments are made, find the amount owed after 3 years. Do not round any intermediate computations, and round your answer to the nearest cent,

Write the expression as a single logarithm. \[ \frac{1}{5} \log _{7} y+2 \log _{7} x-\log _{7} z \]