Answer:
20 glasses
Step-by-step explanation:
A glass holds 1/4 liter of water so if you have 4 cups you will have 1 liter of water. If you need 5 liters than you just multiply the number of cups per liter by the number of liters
4 x 5 = 20
Since you are doing squared, you have to multiply the exponents.
4 * 2 = 8
yes, it's ray
because there are two parallel lines