Which of the following statements is true? At the South Pole, the longest day of the year is in June.
New days begin at 180°, the International Date line.
Igneous rocks are formed from rock fragments and sediment.
Day and night are caused by Earth's revolution around the sun.

Look, when you want to do something like put it like x^2. x2 could mean x² or x₂. so to clear confusion, know the notation. to find the product multiply the x's and you get -8x and the y's and you get 6y. since it's all being multiplied it is just -8x6y, or answer a. although the better answer is -48xy(combining -8 and 6) because you should multiply constants whenever you can.

Ithink the answer is b