Which is equivalent to cos^-1(0) answer in radian

How many degrees does the hour hand move from 3: 00 to 5: 30?

Beth divided 9 ounces of her granola recipe into 4 equal-sized amounts. she placed the amounts into individual bowls. the fraction 9/4 represents the number of ounces of granola in each bowl. which other number represents the amount of granola beth has in each bowl? (a) 1 1/4 (b) 2 1/4 (c) 1 3/4 (d) 3 3/4 i need !

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract