The average speed of a plane is 320 miles per hour. How far does the plane travel in 12 hours.

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

If sin(x) = 0 and cos(x) = 1, what is tan(x)?