In circle B, given isosceles triangle BTX, BA ⟂ WX, and WX = 10, what is the radius of circle B rounded to the nearest whole number?

Evaluate the dot product of (3,-1) and (1,5)

Prove that 16^4-2^13-4^5 is divisible by 11.

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.