Which exponent could make this a true statement?

10x=125,900

Answer choices:

[A] 1.25

[B] 5.1

[C] 12,590

[D] It is not possible to solve this equation.

Which term best describes the association between variables a and b

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?