En qué ciudad es menor la temperatura en Nueva York de 14 grados Fahrenheit o en la rosilla de 21.5 grados centígrados

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?