MULTIPLE CHOICE:
The graph of the function f(x)= x2 − 4x + 6 is shown here. What is its axis of symmetry?

A. x = 0
B. x = 2
C. x = 6
D. x = -2

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?