Which car gets better mileage: a car that gets 23 miles per gallon or a car that gets 45 kilometers per gallon?​

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

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