Awall clock is equally divided into 12 sections. if the clock reads 8: 00 and has a diameter of 12.5 inches, find the area of the smaller sector formed by the minute and hour hands.

An arrow is shot vertically upward at a rate of 180ft/s. use the projectile formula h=−16t2+v0t to determine at what time(s), in seconds, the arrow is at a height of 420ft. round your answer(s) to the nearest tenth of a second.

The system of equations graphed below has how many solutions?

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k