Write this ratio as a fraction in simplest form without any units 4 feet to 42 inches

Solve for x where 0 equation: cot^2x+2cotx+1=0

C. using a standard deck of 52 cards, the probability of selecting a 4 of diamonds or a 4 of hearts is an example of a mutually exclusive event. true of false

School x and school y play each other in a competition school x has eight morepoinys than school y. school x has three times as many points as school y. how many points does each school have