Sara has 6 necklaces, but her mother will only allow her to wear two at a time. how many different ways can sara wear two necklaces?
a. 30 b. 15 c. 360 d. 12

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

The equation of a circle is (x + 4)2 + (y + 6)2 = 16. determine the length of the radius. 10 4 16 8 my flower basket delivers flowers within a 20 mile radius of their store. if this area is represented graphically, with my flower basket located at (5, 2), what is the equation that represents the delivery area? (x - 2)2 + (y - 5)2 = 20 (x - 5)2 + (y - 2)2 = 20 (x + 5)2 + (y + 2)2 = 400 (x - 5)2 + (y - 2)2 = 400

What does independent variable and dependent variable mean in math?